diff --git a/runtime/doc/builtin.txt b/runtime/doc/builtin.txt
index 409588b2bf..c3f531f666 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 Sep 27
+*builtin.txt*	For Vim version 9.1.  Last change: 2025 Sep 28
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -1940,7 +1940,7 @@ complete({startcol}, {matches})			*complete()* *E785*
 		func ListMonths()
 		  call complete(col('.'), ['January', 'February', 'March',
 			\ 'April', 'May', 'June', 'July', 'August',
-			\ 'September', \ 'October', 'November', 'December'])
+			\ 'September', 'October', 'November', 'December'])
 		  return ''
 		endfunc
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