diff --git a/lisp/tooltip.el b/lisp/tooltip.el
index 928e5de76b9..3b88e066bdc 100644
--- a/lisp/tooltip.el
+++ b/lisp/tooltip.el
@@ -272,7 +272,7 @@ is based on the current syntax table."
 	  (buffer-substring start (point)))))))
 
 (defmacro tooltip-region-active-p ()
-  "Value is non-nil if the region is currently active."
+  "Value is non-nil if the region should override command actions."
   `(use-region-p))
 
 (defun tooltip-expr-to-print (event)