Update to monthly wording

Author: practicingruby

app/views/home/index.html.haml

@@ -5,7 +5,7 @@
 #landing
   #banner
     %h1 Practicing Ruby
-    %h2 Delightful coding lessons published every two weeks
+    %h2 Delightful coding lessons published monthly
     = image_tag "ruby-divider.png"
   #details
     %p
@@ -43,7 +43,7 @@
         For only $8/month, you can get instant access to
         = @article_count
         articles just like these, and will receive newly
-        published content every other week. You'll also be
+        published content every month. You'll also be
         able to have great conversations with
         your fellow Practicing Rubyists. Not a bad deal, right?