Fix typo in docstring

* lisp/help.el: Fix typo.

diff --git a/lisp/help.el b/lisp/help.el
index d3aaa1e251de196668e4abe8fd42832338838303..26be3b0e07fb192421a2630b336875b4c23e1097 100644 (file)
--- a/lisp/help.el
+++ b/lisp/help.el
@@ -1419,7 +1419,7 @@ ARGLIST can also be t or a string of the form \"(FUN ARG1 ARG2 ...)\"."
 
 (defun help-function-arglist (def &optional preserve-names)
   "Return a formal argument list for the function DEF.
-IF PRESERVE-NAMES is non-nil, return a formal arglist that uses
+If PRESERVE-NAMES is non-nil, return a formal arglist that uses
 the same names as used in the original source code, when possible."
   ;; Handle symbols aliased to other symbols.
   (if (and (symbolp def) (fboundp def)) (setq def (indirect-function def)))