diff --git a/lisp/emacs-lisp/debug.el b/lisp/emacs-lisp/debug.el
index fd169a4fe4e..abfbfa81511 100644
--- a/lisp/emacs-lisp/debug.el
+++ b/lisp/emacs-lisp/debug.el
@@ -840,7 +840,7 @@ This function is called when SYMBOL's value is modified."
 
 When called interactively, prompt for VARIABLE in the minibuffer.
 
-This works by calling `add-variable-watch' on VARIABLE.  If you
+This works by calling `add-variable-watcher' on VARIABLE.  If you
 quit from the debugger, this will abort the change (unless the
 change is caused by the termination of a let-binding).