diff --git a/src/vs/editor/common/config/editorOptions.ts b/src/vs/editor/common/config/editorOptions.ts
index 7bae5b5c7570376f167829d21a18eba1bf52708f..7c38cb4c0bdc52aa2e5246702520b7bca4690d41 100644
--- a/src/vs/editor/common/config/editorOptions.ts
+++ b/src/vs/editor/common/config/editorOptions.ts
@@ -553,7 +553,7 @@ export interface IEditorOptions {
 	 */
 	renderIndentGuides?: boolean;
 	/**
-	 * Enable highlighting of the active of indent guide.
+	 * Enable highlighting of the active indent guide.
 	 * Defaults to true.
 	 */
 	highlightActiveIndentGuide?: boolean;
diff --git a/src/vs/monaco.d.ts b/src/vs/monaco.d.ts
index cc6067eeb76bb5dc1c309644046017bbdea0fb4f..fe44f5e3dc39d636cd8fcec7c5d92ecf39bfab85 100644
--- a/src/vs/monaco.d.ts
+++ b/src/vs/monaco.d.ts
@@ -2885,7 +2885,7 @@ declare namespace monaco.editor {
 		 */
 		renderIndentGuides?: boolean;
 		/**
-		 * Enable highlighting of the active of indent guide.
+		 * Enable highlighting of the active indent guide.
 		 * Defaults to true.
 		 */
 		highlightActiveIndentGuide?: boolean;