diff --git a/lisp/vc/log-edit.el b/lisp/vc/log-edit.el
index d61a108b195..3c4eadb59a1 100644
--- a/lisp/vc/log-edit.el
+++ b/lisp/vc/log-edit.el
@@ -246,7 +246,7 @@ when this variable is set to nil.")
 (defvar log-edit-initial-files nil)
 (defvar log-edit-callback nil)
 (defvar log-edit-diff-function
-  (lambda () (error "Diff functionality has not been setup")))
+  (lambda () (error "Diff functionality has not been set up")))
 (defvar log-edit-listfun nil)
 
 (defvar log-edit-parent-buffer nil)