Fix webhook data sample

app/views/hooks/_data_ex.html.erb

@@ -7,10 +7,9 @@
      :user_name => "John Smith",
     :repository => {
                :name => "Diaspora",
-                :url => "git@localhost/diaspora.git",
+                :url => "git@localhost:diaspora.git",
         :description => "",
            :homepage => "http://localhost/diaspora",
-            :private => true
     },
        :commits => [
         [0] {