Merge pull request #4226 from VimspectorUpdateBot/auto/update-vim-docs

[Auto] Update vim docs

Author: mergify[bot]

doc/youcompleteme.txt

@@ -2966,8 +2966,8 @@ number like '99'.
 When |g:ycm_auto_trigger| is '0', YCM sets the 'completefunc', so that you can
 manually trigger normal completion using 'C-x C-u'.
 
-If you want to map something else to trigger completion, such as 'C-d``, then
-you can map it to'(YCMComplete)`. For example:
+If you want to map something else to trigger completion, such as 'C-d', then
+you can map it to '<plug>(YCMComplete)'. For example:
 >
   let g:ycm_auto_trigger = 0
   imap <c-d> <plug>(YCMComplete)