diff --git a/lib/operation.ts b/lib/operation.ts
index c89ed88..4affaf1 100644
--- a/lib/operation.ts
+++ b/lib/operation.ts
@@ -170,9 +170,12 @@ export class Operation {
         }
       }
     }
-    if (map.size < 2) {
-      map.clear();
+    if (map.size === 0) {
       map.set('', null);
+    } else if (map.size === 1) {
+      const content = [...map.values()][0];
+      map.clear();
+      map.set('', content);
     }
     return map;
   }
diff --git a/lib/request-body.ts b/lib/request-body.ts
index e510b4c..e2ee640 100644
--- a/lib/request-body.ts
+++ b/lib/request-body.ts
@@ -16,7 +16,7 @@ export class RequestBody {
     public content: Content[],
     public options: Options) {
 
-    this.tsComments = tsComments(spec.description, 1);
+    this.tsComments = tsComments(spec.description, 2);
     this.required = spec.required === true;
   }
 
diff --git a/templates/operationParameters.handlebars b/templates/operationParameters.handlebars
index 3c37899..cf6199e 100644
--- a/templates/operationParameters.handlebars
+++ b/templates/operationParameters.handlebars
@@ -1,6 +1,5 @@
 params{{^operation.parametersRequired}}?{{/operation.parametersRequired}}: {
 {{#operation.parameters}}{{tsComments}}{{var}}{{^required}}?{{/required}}: {{{type}}};{{#tsComments}}
-{{/tsComments}}{{/operation.parameters}}{{#requestBody}}
-  {{{../operation.requestBody.tsComments}}}body{{^../operation.requestBody.required}}?{{/../operation.requestBody.required
+{{/tsComments}}{{/operation.parameters}}{{#requestBody}}  {{{../operation.requestBody.tsComments}}}body{{^../operation.requestBody.required}}?{{/../operation.requestBody.required
   }}: {{{type}}}{{/requestBody}}
   }
\ No newline at end of file