README.markdown in periodic_counter-0.1.3 vs README.markdown in periodic_counter-0.1.4

@@ -19,12 +19,13 @@
 
 Add your periodic counters (all integers):
 
 * <code>X\_last\_week</code>
 * <code>X\_last\_6\_hours</code>
-* <code>X\_last_sunday</code>
+* <code>X\_last\_sunday</code>
+* <code>X\_2\_days\_ago</code>
 
-Currently only days of the week and [ActiveSupport's time extensions](http://api.rubyonrails.org/classes/ActiveSupport/CoreExtensions/Numeric/Time.html) are supported for text after <code>X_last</code>. If no digit is present, "1" is assumed.
+Currently only days of the week and [ActiveSupport's time extensions](http://api.rubyonrails.org/classes/ActiveSupport/CoreExtensions/Numeric/Time.html) are supported for time periods. If no digit is present, "1" is assumed.
 
 Create configuration
 --------------------
 
 Create a file, <code>config/counters.yml</code>:
\ No newline at end of file