Remove backticks from comment

Author: Morganov

book/04-git-server/sections/setting-up-server.asc

@@ -95,9 +95,9 @@ To do so, you must first add the full pathname of the `git-shell` command to `/e
 
 [source,console]
 ----
-$ cat /etc/shells   # see if `git-shell` is already in there. If not...
-$ which git-shell   # make sure `git-shell` is installed on your system.
-$ sudo -e /etc/shells  # and add the path to `git-shell` from last command
+$ cat /etc/shells   # see if git-shell is already in there. If not...
+$ which git-shell   # make sure git-shell is installed on your system.
+$ sudo -e /etc/shells  # and add the path to git-shell from last command
 ----
 
 Now you can edit the shell for a user using `chsh <username> -s <shell>`: