git grep: Add "-z/--null" option as in GNU's grep.

diff --git a/Documentation/git-shell.txt b/Documentation/git-shell.txt
index 9b2ae7f268c75298afc02de04c79d0ef65e12c9a..ff420f8f8c52eb598976a134916000da9b8f3976 100644 (file)
--- a/Documentation/git-shell.txt
+++ b/Documentation/git-shell.txt
@@ -18,7 +18,7 @@ of server-side GIT commands implementing the pull/push functionality.
 The commands can be executed only by the '-c' option; the shell is not
 interactive.
 
-Currently, only the `git-receive-pack` and `git-upload-pack` commands
+Currently, only the 'git-receive-pack' and 'git-upload-pack' commands
 are permitted to be called, with a single required argument.
 
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