diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 73fb75291..fa35994d3 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -1,4 +1,4 @@
-name: Validate Spec Folder
+name: Validate Spec
 
 on:
   push:
diff --git a/tools/linter/PathRefsValidator.ts b/tools/linter/PathRefsValidator.ts
index 6ec200d11..7875bf208 100644
--- a/tools/linter/PathRefsValidator.ts
+++ b/tools/linter/PathRefsValidator.ts
@@ -51,7 +51,7 @@ export default class PathRefsValidator {
                 if(!available.has(path)) return {
                     file: this.root_file.file,
                     location: `Path: ${path}`,
-                    message: `Unresolved path reference: Path ${path} does not exist in namespace file ${ref_file}`,
+                    message: `Unresolved path reference: Path ${path} does not exist in namespace file ${ref_file}.`,
                 };
             }).filter((e) => e) as ValidationError[];
         });
diff --git a/tools/linter/components/NamespaceFile.ts b/tools/linter/components/NamespaceFile.ts
index d38ba3a4f..7a3b95476 100644
--- a/tools/linter/components/NamespaceFile.ts
+++ b/tools/linter/components/NamespaceFile.ts
@@ -60,7 +60,7 @@ export default class NamespaceFile extends FileValidator {
     validate_name(name = this.namespace): ValidationError | void {
         if(name === '_core') return;
         if(!name.match(NAME_REGEX))
-            return this.error(`Invalid namespace name '${name}'. Must match regex: ${NAME_REGEX.source}`, 'File Name');
+            return this.error(`Invalid namespace name '${name}'. Must match regex: /${NAME_REGEX.source}/.`, 'File Name');
         return;
     }
 
@@ -96,7 +96,7 @@ export default class NamespaceFile extends FileValidator {
                     `#/components/parameters/#${name}`);
             if(!p.name.match(/^[a-z0-9._]+$/))
                 return this.error(
-                    `Invalid parameter name '${p.name}'. A parameter's name can only contain lower-cased alphanumerics, underscores, and dots`,
+                    `Invalid parameter name '${p.name}'. A parameter's name can only contain lower-cased alphanumerics, underscores, and periods.`,
                     `#/components/parameters/#${name}`);
         }).filter((e) => e) as ValidationError[];
     }
diff --git a/tools/linter/components/NamespacesFolder.ts b/tools/linter/components/NamespacesFolder.ts
index 52bb94d5c..a8b18c400 100644
--- a/tools/linter/components/NamespacesFolder.ts
+++ b/tools/linter/components/NamespacesFolder.ts
@@ -22,7 +22,7 @@ export default class NamespacesFolder extends FolderValidator<NamespaceFile> {
         }
         return Object.entries(paths).map(([path, namespaces]) => {
             if(namespaces.length > 1)
-                return this.error(`Duplicate path '${path}' found in namespaces: ${namespaces.sort().join(', ')}`);
+                return this.error(`Duplicate path '${path}' found in namespaces: ${namespaces.sort().join(', ')}.`);
         }).filter((e) => e) as ValidationError[];
     }
 }
\ No newline at end of file
diff --git a/tools/linter/components/Operation.ts b/tools/linter/components/Operation.ts
index 0bcb4f301..1be04bf12 100644
--- a/tools/linter/components/Operation.ts
+++ b/tools/linter/components/Operation.ts
@@ -41,7 +41,7 @@ export default class Operation extends ValidatorBase {
         if(!this.group || this.group === '')
             return this.error(`Missing x-operation-group property`);
         if(!this.group.match(GROUP_REGEX))
-            return this.error(`Invalid x-operation-group '${this.group}'. Must match regex: ${GROUP_REGEX.source}`);
+            return this.error(`Invalid x-operation-group '${this.group}'. Must match regex: /${GROUP_REGEX.source}/.`);
     }
 
     validate_namespace(): ValidationError | void {
@@ -49,27 +49,27 @@ export default class Operation extends ValidatorBase {
 
         if(expected_namespace === '_core' && this.namespace === undefined) return;
         if(expected_namespace === '_core' && this.namespace === '_core')
-            return this.error(`Invalid x-operation-group '${this.group}'. '_core' namespace must be omitted in x-operation-group`);
+            return this.error(`Invalid x-operation-group '${this.group}'. '_core' namespace must be omitted in x-operation-group.`);
 
         if(this.namespace === expected_namespace ) return;
         return this.error(`Invalid x-operation-group '${this.group}'. '${this.namespace}' namespace detected. ` +
-            `Only '${expected_namespace}' namespace is allowed in this file`);
+            `Only '${expected_namespace}' namespace is allowed in this file.`);
     }
 
     validate_description(): ValidationError | void {
         const description = this.spec.description;
         if(!description || description === '')
-            return this.error(`Missing description property`);
+            return this.error(`Missing description property.`);
         if(!description.endsWith('.'))
-            return this.error(`Description must end with a period`);
+            return this.error(`Description must end with a period.`);
     }
 
     validate_operationId(): ValidationError | void {
         const id = this.spec.operationId;
         if(!id || id === '')
-            return this.error(`Missing operationId property`);
+            return this.error(`Missing operationId property.`);
         if(!id.match(new RegExp(`^${this.group_regex}\\.[0-9]+$`)))
-            return this.error(`Invalid operationId '${id}'. Must be in {x-operation-group}.{number} format`);
+            return this.error(`Invalid operationId '${id}'. Must be in {x-operation-group}.{number} format.`);
     }
 
     validate_requestBody(): ValidationError | void {
@@ -77,16 +77,16 @@ export default class Operation extends ValidatorBase {
         if(!body) return;
         const expected = `#/components/requestBodies/${this.group}`;
         if(body.$ref !== expected)
-            return this.error(`The requestBody must be a reference object to '${expected}'`);
+            return this.error(`The requestBody must be a reference object to '${expected}'.`);
     }
 
     validate_responses(): ValidationError[] {
         const responses = this.spec.responses;
-        if(!responses || _.keys(responses).length == 0) return [this.error(`Missing responses property`)];
+        if(!responses || _.keys(responses).length == 0) return [this.error(`Missing responses property.`)];
         return _.entries(responses).map(([code, response]) => {
             const expected = `#/components/responses/${this.group}@${code}`;
             if(response.$ref && response.$ref !== expected)
-                return this.error(`The ${code} response must be a reference object to '${expected}'`);
+                return this.error(`The ${code} response must be a reference object to '${expected}'.`);
             return;
         }).filter((error) => error) as ValidationError[];
     }
@@ -97,7 +97,7 @@ export default class Operation extends ValidatorBase {
         const regex = new RegExp(`^#/components/parameters/${this.group_regex}::((path)|(query))\\.[a-z0-9_.]+$`);
         for(const parameter of parameters){
             if(!parameter.$ref.match(regex))
-                return this.error(`Every parameter must be a reference object to '#/components/parameters/{x-operation-group}::{path|query}.{parameter_name}'`);
+                return this.error(`Every parameter must be a reference object to '#/components/parameters/{x-operation-group}::{path|query}.{parameter_name}'.`);
         }
     }
 
@@ -105,7 +105,7 @@ export default class Operation extends ValidatorBase {
         const path_params = this.path_params();
         const expected = this.path.match(/{[a-z0-9_]+}/g)?.map(p => p.slice(1, -1)) || [];
         if(path_params.sort().join(', ')  !== expected.sort().join(', '))
-            return this.error(`Path parameters must match the parameters in the path: {${expected.join('}, {')}}`);
+            return this.error(`Path parameters must match the parameters in the path: {${expected.join('}, {')}}.`);
     }
 
     path_params(): string[] {
diff --git a/tools/linter/components/RootFile.ts b/tools/linter/components/RootFile.ts
index 94f583b62..5718ce3d4 100644
--- a/tools/linter/components/RootFile.ts
+++ b/tools/linter/components/RootFile.ts
@@ -14,7 +14,7 @@ export default class RootFile extends FileValidator {
     validate_paths(): ValidationError[] {
         return Object.entries(this.spec().paths).map(([path, spec]) => {
             if(!spec?.$ref)
-                return this.error(`Every path must be a reference object to a path in a namespace file`, `Path: ${path}`);
+                return this.error(`Every path must be a reference object to a path in a namespace file.`, `Path: ${path}`);
         }).filter((e) => e) as ValidationError[];
     }
 }
\ No newline at end of file
diff --git a/tools/linter/components/SchemaFile.ts b/tools/linter/components/SchemaFile.ts
index 27ed265a8..2d989365a 100644
--- a/tools/linter/components/SchemaFile.ts
+++ b/tools/linter/components/SchemaFile.ts
@@ -34,9 +34,9 @@ export default class SchemaFile extends FileValidator {
     validate_category(category = this.category): ValidationError | void {
         if(category === '_common') return;
         if(!category.match(CATEGORY_REGEX))
-            return this.error(`Invalid category name '${category}'. Must match regex: ${CATEGORY_REGEX.source}`, 'File Name');
+            return this.error(`Invalid category name '${category}'. Must match regex: /${CATEGORY_REGEX.source}/.`, 'File Name');
         const name = category.split('.')[1];
         if(name !== '_common' && !name.match(NAME_REGEX))
-            return this.error(`Invalid category name '${category}'. '${name}' does not match regex: ${NAME_REGEX.source}`, 'File Name');
+            return this.error(`Invalid category name '${category}'. '${name}' does not match regex: /${NAME_REGEX.source}/.`, 'File Name');
     }
 }
\ No newline at end of file
diff --git a/tools/test/linter/NamespaceFile.test.ts b/tools/test/linter/NamespaceFile.test.ts
index d0fd8670b..88e47f6a5 100644
--- a/tools/test/linter/NamespaceFile.test.ts
+++ b/tools/test/linter/NamespaceFile.test.ts
@@ -16,7 +16,7 @@ test('validate_name()', () => {
     expect(ns_file.validate_name('_cat')).toEqual({
         file: 'namespaces/indices.yaml',
         location: 'File Name',
-        message: `Invalid namespace name '_cat'. Must match regex: ^[a-z]+[a-z_]*[a-z]+$`
+        message: `Invalid namespace name '_cat'. Must match regex: /^[a-z]+[a-z_]*[a-z]+$/.`
     });
 });
 
@@ -70,7 +70,7 @@ test('validate_parameter_refs()', () => {
         {
             file: "namespaces/invalid_components.yaml",
             location: "#/components/parameters/#indices.create::query.ExpandWildcards",
-            message: "Invalid parameter name 'ExpandWildcards'. A parameter's name can only contain lower-cased alphanumerics, underscores, and dots"
+            message: "Invalid parameter name 'ExpandWildcards'. A parameter's name can only contain lower-cased alphanumerics, underscores, and periods."
         },
         {
             file: "namespaces/invalid_components.yaml",
diff --git a/tools/test/linter/NamespacesFolder.test.ts b/tools/test/linter/NamespacesFolder.test.ts
index a715ddc3d..9563988aa 100644
--- a/tools/test/linter/NamespacesFolder.test.ts
+++ b/tools/test/linter/NamespacesFolder.test.ts
@@ -11,22 +11,22 @@ test('validate()', () => {
         {
             file: "namespaces/invalid_spec.yaml",
             location: "Operation: GET /{index}/_doc/{id}",
-            message: "Missing description property"
+            message: "Missing description property."
         },
         {
             file: "namespaces/invalid_spec.yaml",
             location: "Operation: GET /{index}/_doc/{id}",
-            message: "Every parameter must be a reference object to '#/components/parameters/{x-operation-group}::{path|query}.{parameter_name}'"
+            message: "Every parameter must be a reference object to '#/components/parameters/{x-operation-group}::{path|query}.{parameter_name}'."
         },
         {
             file: "namespaces/invalid_spec.yaml",
             location: "Operation: GET /{index}/_doc/{id}",
-            message: "Path parameters must match the parameters in the path: {id}, {index}"
+            message: "Path parameters must match the parameters in the path: {id}, {index}."
         },
         {
             file: "namespaces/invalid_spec.yaml",
             location: "Operation: GET /{index}/_doc/{id}",
-            message: "The 200 response must be a reference object to '#/components/responses/invalid_spec.fetch@200'"
+            message: "The 200 response must be a reference object to '#/components/responses/invalid_spec.fetch@200'."
         },
         {
             file: "namespaces/invalid_yaml.yaml",
@@ -36,12 +36,12 @@ test('validate()', () => {
         {
             file: "namespaces/",
             location: "Folder",
-            message: "Duplicate path '/{index}' found in namespaces: dup_path_a, dup_path_c"
+            message: "Duplicate path '/{index}' found in namespaces: dup_path_a, dup_path_c."
         },
         {
             file: "namespaces/",
             location: "Folder",
-            message: "Duplicate path '/{index}/_rollover' found in namespaces: dup_path_a, dup_path_b, dup_path_c"
+            message: "Duplicate path '/{index}/_rollover' found in namespaces: dup_path_a, dup_path_b, dup_path_c."
         }
     ]);
 });
diff --git a/tools/test/linter/Operation.test.ts b/tools/test/linter/Operation.test.ts
index d1d705957..43fce1229 100644
--- a/tools/test/linter/Operation.test.ts
+++ b/tools/test/linter/Operation.test.ts
@@ -10,11 +10,11 @@ test('validate_group()', () => {
 
     const invalid_group = operation({'x-operation-group': 'indices_'});
     expect(invalid_group.validate_group())
-        .toEqual(invalid_group.error(`Invalid x-operation-group 'indices_'. Must match regex: ^([a-z]+[a-z_]*[a-z]+\\.)?([a-z]+[a-z_]*[a-z]+)$`));
+        .toEqual(invalid_group.error(`Invalid x-operation-group 'indices_'. Must match regex: /^([a-z]+[a-z_]*[a-z]+\\.)?([a-z]+[a-z_]*[a-z]+)$/.`));
 
     const invalid_action = operation({'x-operation-group': 'indices.create.index'});
     expect(invalid_action.validate_group())
-        .toEqual(invalid_action.error(`Invalid x-operation-group 'indices.create.index'. Must match regex: ^([a-z]+[a-z_]*[a-z]+\\.)?([a-z]+[a-z_]*[a-z]+)$`));
+        .toEqual(invalid_action.error(`Invalid x-operation-group 'indices.create.index'. Must match regex: /^([a-z]+[a-z_]*[a-z]+\\.)?([a-z]+[a-z_]*[a-z]+)$/.`));
 
     const valid_group = operation({'x-operation-group': 'indices.create'});
     expect(valid_group.validate_group())
@@ -32,21 +32,21 @@ test('validate_namespace()', () => {
 
     const non_omitted_core = operation({'x-operation-group': '_core.search'}, '_core.yaml');
     expect(non_omitted_core.validate_namespace())
-        .toEqual(non_omitted_core.error(`Invalid x-operation-group '_core.search'. '_core' namespace must be omitted in x-operation-group`));
+        .toEqual(non_omitted_core.error(`Invalid x-operation-group '_core.search'. '_core' namespace must be omitted in x-operation-group.`));
 
     const unmatched_namespace = operation({'x-operation-group': 'indices.create'}, 'cat.yaml');
     expect(unmatched_namespace.validate_namespace())
-        .toEqual(unmatched_namespace.error(`Invalid x-operation-group 'indices.create'. 'indices' namespace detected. Only 'cat' namespace is allowed in this file`));
+        .toEqual(unmatched_namespace.error(`Invalid x-operation-group 'indices.create'. 'indices' namespace detected. Only 'cat' namespace is allowed in this file.`));
 });
 
 test('validate_operationId()', () => {
     const no_id = operation({'x-operation-group': 'indices.create'});
     expect(no_id.validate_operationId())
-        .toEqual(no_id.error(`Missing operationId property`));
+        .toEqual(no_id.error(`Missing operationId property.`));
 
     const invalid_id = operation({'x-operation-group': 'indices.create', operationId: 'create_index'});
     expect(invalid_id.validate_operationId())
-        .toEqual(invalid_id.error(`Invalid operationId 'create_index'. Must be in {x-operation-group}.{number} format`));
+        .toEqual(invalid_id.error(`Invalid operationId 'create_index'. Must be in {x-operation-group}.{number} format.`));
 
     const valid_id = operation({'x-operation-group': 'indices.create', operationId: 'indices.create.1'});
     expect(valid_id.validate_operationId())
@@ -56,11 +56,11 @@ test('validate_operationId()', () => {
 test('validate_description()', () => {
     const no_description = operation({'x-operation-group': 'indices.create'});
     expect(no_description.validate_description())
-        .toEqual(no_description.error(`Missing description property`));
+        .toEqual(no_description.error(`Missing description property.`));
 
     const invalid_description = operation({'x-operation-group': 'indices.create', description: 'This is a description without a period'});
     expect(invalid_description.validate_description())
-        .toEqual(invalid_description.error(`Description must end with a period`));
+        .toEqual(invalid_description.error(`Description must end with a period.`));
 
     const valid_description = operation({'x-operation-group': 'indices.create', description: 'This is a description with a period.'});
     expect(valid_description.validate_description())
@@ -78,12 +78,12 @@ test('validate_requestBody()', () => {
 
     const invalid_body = operation({'x-operation-group': 'indices.create', requestBody: {$ref: '#/components/requestBodies/indices.create.1'}});
     expect(invalid_body.validate_requestBody())
-        .toEqual(invalid_body.error(`The requestBody must be a reference object to '#/components/requestBodies/indices.create'`));
+        .toEqual(invalid_body.error(`The requestBody must be a reference object to '#/components/requestBodies/indices.create'.`));
 });
 
 test('validate_response()', () => {
     const no_responses = operation({responses: {}});
-    expect(no_responses.validate_responses()).toEqual([no_responses.error(`Missing responses property`)]);
+    expect(no_responses.validate_responses()).toEqual([no_responses.error(`Missing responses property.`)]);
 
     const invalid_responses = operation({'x-operation-group': 'cat.info', responses: {
         '200': {$ref: '#/components/responses/cat.info'},
@@ -91,8 +91,8 @@ test('validate_response()', () => {
         '400': {$ref: '#/components/responses/cat.info:bad_request'},
     }});
     expect(invalid_responses.validate_responses()).toEqual([
-        invalid_responses.error(`The 200 response must be a reference object to '#/components/responses/cat.info@200'`),
-        invalid_responses.error(`The 400 response must be a reference object to '#/components/responses/cat.info@400'`),]);
+        invalid_responses.error(`The 200 response must be a reference object to '#/components/responses/cat.info@200'.`),
+        invalid_responses.error(`The 400 response must be a reference object to '#/components/responses/cat.info@400'.`),]);
 
     const valid_responses = operation({'x-operation-group': 'cat.info', responses: {'200': {$ref: '#/components/responses/cat.info@200'}}});
     expect(valid_responses.validate_responses())
@@ -114,13 +114,13 @@ test('validate_parameters()', () => {
         {$ref: '#/components/parameters/indices.create::query:pretty'},
     ]});
     expect(invalid_parameters.validate_parameters())
-        .toEqual(invalid_parameters.error(`Every parameter must be a reference object to '#/components/parameters/{x-operation-group}::{path|query}.{parameter_name}'`));
+        .toEqual(invalid_parameters.error(`Every parameter must be a reference object to '#/components/parameters/{x-operation-group}::{path|query}.{parameter_name}'.`));
 });
 
 test('validate_path_parameters()', () => {
     const invalid_path_params = operation({parameters: [{$ref: '#/components/parameters/indices.create::path.index'}]});
     expect(invalid_path_params.validate_path_parameters())
-        .toEqual(invalid_path_params.error(`Path parameters must match the parameters in the path: {abc_xyz}, {index}`));
+        .toEqual(invalid_path_params.error(`Path parameters must match the parameters in the path: {abc_xyz}, {index}.`));
 
     const valid_path_params = operation({parameters: [
         {$ref: '#/components/parameters/indices.create::path.index'},
diff --git a/tools/test/linter/PathRefsValidator.test.ts b/tools/test/linter/PathRefsValidator.test.ts
index 44fea59ac..527782e3e 100644
--- a/tools/test/linter/PathRefsValidator.test.ts
+++ b/tools/test/linter/PathRefsValidator.test.ts
@@ -11,7 +11,7 @@ test('validate()', () => {
         {
             file: "opensearch-openapi.yaml",
             location: "Path: /{index}",
-            message: "Unresolved path reference: Path /{index} does not exist in namespace file namespaces/indices.yaml"
+            message: "Unresolved path reference: Path /{index} does not exist in namespace file namespaces/indices.yaml."
         },
         {
             file: "opensearch-openapi.yaml",
diff --git a/tools/test/linter/RootFile.test.ts b/tools/test/linter/RootFile.test.ts
index 70b612f5f..89749b20f 100644
--- a/tools/test/linter/RootFile.test.ts
+++ b/tools/test/linter/RootFile.test.ts
@@ -6,12 +6,12 @@ test('validate()', () => {
         {
             file: "root.yaml",
             location: "Path: /",
-            message: "Every path must be a reference object to a path in a namespace file"
+            message: "Every path must be a reference object to a path in a namespace file."
         },
         {
             file: "root.yaml",
             location: "Path: /{index}",
-            message: "Every path must be a reference object to a path in a namespace file"
+            message: "Every path must be a reference object to a path in a namespace file."
         }
     ]);
 });
\ No newline at end of file
diff --git a/tools/test/linter/SchemaFile.test.ts b/tools/test/linter/SchemaFile.test.ts
index e09c64fd3..06eb0ffbe 100644
--- a/tools/test/linter/SchemaFile.test.ts
+++ b/tools/test/linter/SchemaFile.test.ts
@@ -10,12 +10,12 @@ test('validate_category()', () => {
    expect(validator.validate_category('cat._invalid_name')).toEqual({
       file: "schemas/_common.empty.yaml",
       location: "File Name",
-      message: "Invalid category name 'cat._invalid_name'. '_invalid_name' does not match regex: ^[a-z]+[a-z_]*[a-z]+$"
+      message: "Invalid category name 'cat._invalid_name'. '_invalid_name' does not match regex: /^[a-z]+[a-z_]*[a-z]+$/."
    });
    expect(validator.validate_category('invalid_regex')).toEqual({
       file: "schemas/_common.empty.yaml",
       location: "File Name",
-      message: "Invalid category name 'invalid_regex'. Must match regex: ^[a-z_]+\\.[a-z_]+$"
+      message: "Invalid category name 'invalid_regex'. Must match regex: /^[a-z_]+\\.[a-z_]+$/."
    });
 });