Fix last commit

diff --git a/doc/lispref/frames.texi b/doc/lispref/frames.texi
index 8cadf791a124061f479c22d9262aa639bda20925..ddf81f3e805cab24f78e1150d5c9c296ba0af18f 100644 (file)
--- a/doc/lispref/frames.texi
+++ b/doc/lispref/frames.texi
@@ -664,7 +664,7 @@ edge, combining position notation and @code{user-position} as in
 
 @example
 (modify-frame-parameters
-  '((user-position . t) (left . (+ -4))))
+  nil '((user-position . t) (left . (+ -4))))
 @end example
 
 may help to override that.