add missing space

app/views/shared/_git_hooks_form.html.haml

@@ -15,7 +15,7 @@
         = f.check_box :member_check
         %strong
           Check whether author is a GitLab user
-        .help-block Restrict commits by author(email) to existing GitLab users
+        .help-block Restrict commits by author (email) to existing GitLab users
 
 .form-group
   = f.label :commit_message_regex, "Commit message", class: 'control-label'
@@ -57,4 +57,4 @@
       Set to 0 to allow files of any size.
 
 .form-actions
-  = f.submit "Save Git hooks", class: "btn btn-create"
+  = f.submit "Save Git hooks", class: "btn btn-create"
\ No newline at end of file