diff --git a/src/modules/Tab/Tab.js b/src/modules/Tab/Tab.js
index ff865909e3..9e2a57973f 100644
--- a/src/modules/Tab/Tab.js
+++ b/src/modules/Tab/Tab.js
@@ -122,7 +122,7 @@ Tab.propTypes = {
   /** Align vertical menu */
   menuPosition: PropTypes.oneOf(['left', 'right']),
 
-  /** Shorthand props for the Grid. */
+  /** Shorthand props for the Grid. Only applicable to vertical menus. */
   grid: PropTypes.object,
 
   /**