diff --git a/src/wp-includes/class-wp-editor.php b/src/wp-includes/class-wp-editor.php
index 75cd370a4c..0b1039bf83 100644
--- a/src/wp-includes/class-wp-editor.php
+++ b/src/wp-includes/class-wp-editor.php
@@ -1023,7 +1023,8 @@ final class _WP_Editors {
 			/* translators: word count */
 			'Words: {0}' => sprintf( __( 'Words: %s' ), '{0}' ),
 			'Paste is now in plain text mode. Contents will now be pasted as plain text until you toggle this option off.' => __( 'Paste is now in plain text mode. Contents will now be pasted as plain text until you toggle this option off.' ) . "\n\n" . __( 'If you’re looking to paste rich content from Microsoft Word, try turning this option off. The editor will clean up text pasted from Word automatically.' ),
-			'Rich Text Area. Press ALT-F9 for menu. Press ALT-F10 for toolbar. Press ALT-0 for help' => __( 'Rich Text Area. Press Alt-Shift-H for help' ),
+			'Rich Text Area. Press ALT-F9 for menu. Press ALT-F10 for toolbar. Press ALT-0 for help' => __( 'Rich Text Area. Press Alt-Shift-H for help.' ),
+			'Rich Text Area. Press Control-Option-H for help.' => __( 'Rich Text Area. Press Control-Option-H for help.' ),
 			'You have unsaved changes are you sure you want to navigate away?' => __( 'The changes you made will be lost if you navigate away from this page.' ),
 			'Your browser doesn\'t support direct access to the clipboard. Please use the Ctrl+X/C/V keyboard shortcuts instead.' => __( 'Your browser does not support direct access to the clipboard. Please use keyboard shortcuts or your browser’s edit menu instead.' ),
 
diff --git a/src/wp-includes/js/tinymce/plugins/wordpress/plugin.js b/src/wp-includes/js/tinymce/plugins/wordpress/plugin.js
index 46fe40594f..c3a04fee5f 100644
--- a/src/wp-includes/js/tinymce/plugins/wordpress/plugin.js
+++ b/src/wp-includes/js/tinymce/plugins/wordpress/plugin.js
@@ -579,6 +579,11 @@ tinymce.PluginManager.add( 'wordpress', function( editor ) {
 		if ( window.getUserSetting( 'editor_plain_text_paste_warning' ) > 1 ) {
 			editor.settings.paste_plaintext_inform = false;
 		}
+
+		// Change the editor iframe title on MacOS, add the correct help shortcut.
+		if ( tinymce.Env.mac ) {
+			tinymce.$( editor.iframeElement ).attr( 'title', __( 'Rich Text Area. Press Control-Option-H for help.' ) );
+		}
 	} );
 
 	editor.on( 'PastePlainTextToggle', function( event ) {