Changed the word 'authentification' to 'authentication'

app/views/projects/_form.html.haml

@@ -54,7 +54,7 @@
                       %span.descr
                         If checked, this project can be cloned
                         %em without any
-                        authentification.
+                        authentication.
                         It will also be listed on the #{link_to "public access directory", public_root_path}.
 
               %fieldset.features