Fixed typo in Readme.md

Fixed 22th -> 22nd

Fixed typo in Readme.md
db4453b6 · Tom Webster · adc51a9b · db4453b6
Commit db4453b6 authored 11 years ago by Tom Webster
--- a/README.md
+++ b/README.md
@@ -72,7 +72,7 @@ If you want to contribute, please first read our [Contributing Guidelines](https
  
 ### New versions and upgrading
  
-Each month on the 22th a new version is released together with an upgrade guide.
+Each month on the 22nd a new version is released together with an upgrade guide.
  
 * [Upgrade guides](https://github.com/gitlabhq/gitlabhq/tree/master/doc/update)