diff --git a/src/vs/editor/common/config/commonEditorConfig.ts b/src/vs/editor/common/config/commonEditorConfig.ts
index 4bc0764ca608e16c9dffe63c1d1ff5872e209593..edb0514d0c6de63940a868940783288d10d64fba 100644
--- a/src/vs/editor/common/config/commonEditorConfig.ts
+++ b/src/vs/editor/common/config/commonEditorConfig.ts
@@ -624,7 +624,7 @@ const editorConfiguration: IConfigurationNode = {
 			type: 'string',
 			default: 'off',
 			enum: ['on', 'off', 'onlySnippets'],
-			markdownEnumDescriptions: [
+			enumDescriptions: [
 				nls.localize('tabCompletion.on', "Tab complete will insert the best matching suggestion when pressing tab."),
 				nls.localize('tabCompletion.off', "Disable tab completions."),
 				nls.localize('tabCompletion.onlySnippets', "Tab complete snippets when their prefix match. Works best when 'quickSuggestions' aren't enabled."),