diff --git a/README.md b/README.md
index d810ab1..9e803f3 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ It also includes some tools allowing to add some missing features to monaco-edit
 - `collapseCodeSections` allows to create and collapse a code section between 2 tokens
 - `registerTextDecorationProvider` allows to compute decorations on all existing editors
 - `hideCodeWithoutDecoration` allows to hide code parts that have a specific decoration
-- `lockCodeFromDecoration` allows to make read-only code parts within a specific decoration
+- `lockCodeWithDecoration` allows to make read-only code parts within a specific decoration
 - `lockCodeWithoutDecoration` allows to make read-only code parts outside of a specific decoration
 - `updateEditorKeybindingsMode` allows to apply vim or emacs keybindings
 - `extractRangesFromTokens` allows to extract a code section between 2 tokens
diff --git a/src/tools.ts b/src/tools.ts
index 1ea5d3e..1eec14a 100644
--- a/src/tools.ts
+++ b/src/tools.ts
@@ -97,7 +97,7 @@ export interface LockCodeOptions {
   allowUndoRedo?: boolean
 }
 
-function lockCodeWithDecoration (
+function lockCodeUsingDecoration (
   editor: monaco.editor.ICodeEditor,
   {
     errorMessage,
@@ -107,10 +107,10 @@ function lockCodeWithDecoration (
     allowUndoRedo = true
   }: LockCodeOptions,
   /**
-   * If true, the code within the ranges will be locked.
-   * All the code outside of the ranges will be lock otherwise.
+   * If true, the code within the decoration will be locked.
+   * All the code outside of the decoration will be locked otherwise.
    */
-  fromRanges: boolean
+  withDecoration: boolean
 ): monaco.IDisposable {
   const disposableStore = new DisposableStore()
   function displayLockedCodeError (position: monaco.Position) {
@@ -130,7 +130,7 @@ function lockCodeWithDecoration (
     if (ranges.length === 0) {
       return true
     }
-    return fromRanges
+    return withDecoration
       ? ranges.every((uneditableRange) => !uneditableRange.containsRange(range))
       : ranges.some((editableRange) => editableRange.containsRange(range))
   }
@@ -268,18 +268,18 @@ function lockCodeWithDecoration (
   return disposableStore
 }
 
-export function lockCodeFromDecoration (
+export function lockCodeWithDecoration (
   editor: monaco.editor.ICodeEditor,
   lockOptions: LockCodeOptions
 ): monaco.IDisposable {
-  return lockCodeWithDecoration(editor, lockOptions, true)
+  return lockCodeUsingDecoration(editor, lockOptions, true)
 }
 
 export function lockCodeWithoutDecoration (
   editor: monaco.editor.ICodeEditor,
   lockOptions: LockCodeOptions
 ): monaco.IDisposable {
-  return lockCodeWithDecoration(editor, lockOptions, false)
+  return lockCodeUsingDecoration(editor, lockOptions, false)
 }
 
 let hideCodeWithoutDecorationCounter = 0