diff --git a/packages/lexical-playground/src/plugins/ShortcutsPlugin/index.tsx b/packages/lexical-playground/src/plugins/ShortcutsPlugin/index.tsx
index eff896fca..dfb93ba30 100644
--- a/packages/lexical-playground/src/plugins/ShortcutsPlugin/index.tsx
+++ b/packages/lexical-playground/src/plugins/ShortcutsPlugin/index.tsx
@@ -21,6 +21,7 @@ import {Dispatch, useEffect} from 'react';
 
 import {useToolbarState} from '../../context/ToolbarContext';
 import {sanitizeUrl} from '../../utils/url';
+import {INSERT_INLINE_COMMAND} from '../CommentPlugin';
 import {
   clearFormatting,
   formatBulletList,
@@ -34,6 +35,7 @@ import {
   UpdateFontSizeType,
 } from '../ToolbarPlugin/utils';
 import {
+  isAddComment,
   isCapitalize,
   isCenterAlign,
   isClearFormatting,
@@ -158,6 +160,9 @@ export default function ShortcutsPlugin({
         setIsLinkEditMode(!toolbarState.isLink);
 
         editor.dispatchCommand(TOGGLE_LINK_COMMAND, url);
+      } else if (isAddComment(event)) {
+        event.preventDefault();
+        editor.dispatchCommand(INSERT_INLINE_COMMAND, undefined);
       }
 
       return false;
diff --git a/packages/lexical-playground/src/plugins/ShortcutsPlugin/shortcuts.ts b/packages/lexical-playground/src/plugins/ShortcutsPlugin/shortcuts.ts
index 381d3de54..fe1bfd5da 100644
--- a/packages/lexical-playground/src/plugins/ShortcutsPlugin/shortcuts.ts
+++ b/packages/lexical-playground/src/plugins/ShortcutsPlugin/shortcuts.ts
@@ -21,6 +21,7 @@ export const SHORTCUTS = Object.freeze({
   CHECK_LIST: IS_APPLE ? '⌘+Opt+6' : 'Ctrl+Alt+6',
   CODE_BLOCK: IS_APPLE ? '⌘+Opt+C' : 'Ctrl+Alt+C',
   QUOTE: IS_APPLE ? '⌘+Opt+Q' : 'Ctrl+Alt+Q',
+  ADD_COMMENT: IS_APPLE ? '⌘+Opt+M' : 'Ctrl+Alt+M',
 
   // (Ctrl|⌘) + Shift + <key> shortcuts
   INCREASE_FONT_SIZE: IS_APPLE ? '⌘+Shift+.' : 'Ctrl+Shift+.',
@@ -256,3 +257,10 @@ export function isInsertLink(event: KeyboardEvent): boolean {
     code === 'KeyK' && !shiftKey && !altKey && controlOrMeta(metaKey, ctrlKey)
   );
 }
+
+export function isAddComment(event: KeyboardEvent): boolean {
+  const {code, shiftKey, altKey, metaKey, ctrlKey} = event;
+  return (
+    code === 'KeyM' && !shiftKey && altKey && controlOrMeta(metaKey, ctrlKey)
+  );
+}