patch 9.1.1331: Leaking memory with cmdcomplete()

Problem:  Leaking memory with cmdcomplete()
          (zeertzjq, after v9.1.1329)
Solution: free the memory (Girish Palya)

closes: #17190

Signed-off-by: Girish Palya <girishji@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/doc/builtin.txt b/runtime/doc/builtin.txt
index 70f3c88..0a1c3b1 100644
--- a/runtime/doc/builtin.txt
+++ b/runtime/doc/builtin.txt
@@ -1,4 +1,4 @@
-*builtin.txt*	For Vim version 9.1.  Last change: 2025 Apr 21
+*builtin.txt*	For Vim version 9.1.  Last change: 2025 Apr 23
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -1834,7 +1834,7 @@
 		Return type: |Number|
 
 
-cmdcomplete_info([{what}])				*cmdcomplete_info()*
+cmdcomplete_info()					*cmdcomplete_info()*
 		Returns a |Dictionary| with information about cmdline
 		completion.  See |cmdline-completion|.
 		The items are: