Improve the repository import message

app/views/projects/empty.html.haml

@@ -6,7 +6,7 @@
       = image_tag "ajax_loader.gif"
       %h3 Importing repository.
       %p.monospace git clone --bare #{@project.import_url}
-      %p Please wait until we import repository for you. Refresh at will.
+      %p Please wait while we import the repository for you. Refresh at will.
       :javascript
         new ProjectImport();