diff --git a/doc/fugitive.txt b/doc/fugitive.txt
index 4a7b8b7..51fc591 100644
--- a/doc/fugitive.txt
+++ b/doc/fugitive.txt
@@ -95,10 +95,10 @@ that are part of Git repositories).
 :Gfetch [args]          Like |:Gpush|, but for git-fetch.
 
                                                 *fugitive-:Ggrep*
-:Ggrep [args]           |:grep| with git-grep as 'grepprg'.
+:Ggrep[!] [args]        |:grep|[!] with git-grep as 'grepprg'.
 
                                                 *fugitive-:Glgrep*
-:Glgrep [args]          |:lgrep| with git-grep as 'grepprg'.
+:Glgrep[!] [args]       |:lgrep|[!] with git-grep as 'grepprg'.
 
                                                 *fugitive-:Glog*
 :Glog [args]            Load all previous revisions of the current file into