Fix typo on cycle analytics copy.

app/views/projects/cycle_analytics/show.html.haml

@@ -11,7 +11,7 @@
       %h4
         Introducing Cycle Analytics
       %p
-        Cycle Analytics gives an overview on how much time it takes to go from idea to production in your project.
+        Cycle Analytics gives an overview of how much time it takes to go from idea to production in your project.
 
       = link_to "Read more",  help_page_path('user/project/cycle_analytics'), target: '_blank', class: 'btn'