diff --git a/runtime/pack/dist/opt/comment/autoload/comment.vim b/runtime/pack/dist/opt/comment/autoload/comment.vim
index ed3534b84d..6617136e63 100644
--- a/runtime/pack/dist/opt/comment/autoload/comment.vim
+++ b/runtime/pack/dist/opt/comment/autoload/comment.vim
@@ -1,7 +1,7 @@
 vim9script
 
 # Maintainer: Maxim Kim <habamax@gmail.com>
-# Last Update: 2024-09-24
+# Last Update: 2024-09-30
 #
 # Toggle comments
 # Usage:
@@ -24,7 +24,7 @@ export def Toggle(...args: list<string>): string
     var first_col = indent(lnum1)
     var start_col = getpos("'[")[2]
     if len(cms_l) == 1 && lnum1 == lnum2 && first_col < start_col
-        var line_start = getline(lnum1)[0 : max(0, start_col - 2)]
+        var line_start = getline(lnum1)[0 : max([0, start_col - 2])]
         var line_end = getline(lnum1)[start_col - 1 : -1]
         line_end = line_end =~# $'^\s*{cms_l[0]}' ?
                     \ substitute(line_end, $'^\s*\zs{cms_l[0]}', '', '') :
diff --git a/runtime/pack/dist/opt/comment/doc/comment.txt b/runtime/pack/dist/opt/comment/doc/comment.txt
index 4d791e56cb..af1251a07b 100644
--- a/runtime/pack/dist/opt/comment/doc/comment.txt
+++ b/runtime/pack/dist/opt/comment/doc/comment.txt
@@ -1,4 +1,4 @@
-*comment.txt*   For Vim version 9.1.  Last change:  2024 Sep 29
+*comment.txt*   For Vim version 9.1.  Last change:  2024 Sep 30
 
 
 		  VIM REFERENCE MANUAL
@@ -27,7 +27,7 @@ To comment the rest of the line by  `gC`  whenever the filetype plugin
 supports it (that is, whenever the comment marker precedes the code) and fall
 back to `gcc` otherwise, add the following mapping to your vimrc: >
 
-	nnoremap <silent> <expr> gC comment.Toggle() .. '$'
+	nnoremap <silent> <expr> gC comment#Toggle() .. '$'
 <
 Note: using `gC` may not always result in valid comment markers depending on
 the language used.