Fix typo in activity route.

lib/refinery/blog/engine.rb

@@ -19,7 +19,7 @@ module Refinery
             # Without this line, the route fragment generated by the Refinery's
             # activity dashboard would be refinery_blog_admin_blog_posts_path,
             # which does not exist.
-            :url => "refinery_admin_blog_posts_path"
+            :url => "refinery_admin_blog_post_path"
           }
         end
       end

spec/lib/refinery/blog/engine_spec.rb

@@ -9,7 +9,7 @@ module Refinery
         end
 
         it "sets the correct path for activity entries" do
-          activity.url.should eq("edit_refinery_admin_blog_posts_path")
+          activity.url.should eq("edit_refinery_admin_blog_post_path")
         end
       end