fixed readme

Signed-off-by: sergiu <sergiubota@rospace.com>

Author: SergiuBota1

README.md

@@ -11,9 +11,9 @@
 [![GitHub issues](https://img.shields.io/github/issues/dotkernel/dot-mail)](https://github.com/dotkernel/dot-mail/issues)
 [![GitHub forks](https://img.shields.io/github/forks/dotkernel/dot-mail)](https://github.com/dotkernel/dot-mail/network)
 [![GitHub stars](https://img.shields.io/github/stars/dotkernel/dot-mail)](https://github.com/dotkernel/dot-mail/stargazers)
-[![GitHub license](https://img.shields.io/github/license/dotkernel/dot-mail)](https://github.com/dotkernel/dot-mail/blob/5.0/LICENSE.md)
+[![GitHub license](https://img.shields.io/github/license/dotkernel/dot-mail)](https://github.com/dotkernel/dot-mail/blob/5.1/LICENSE.md)
 
-[![Build Static](https://github.com/dotkernel/dot-mail/actions/workflows/continuous-integration.yml/badge.svg?branch=5.0)](https://github.com/dotkernel/dot-mail/actions/workflows/continuous-integration.yml)
+[![Build Static](https://github.com/dotkernel/dot-mail/actions/workflows/continuous-integration.yml/badge.svg?branch=5.1)](https://github.com/dotkernel/dot-mail/actions/workflows/continuous-integration.yml)
 [![codecov](https://codecov.io/gh/dotkernel/dot-mail/branch/5.0/graph/badge.svg?token=G51NEHYKD3)](https://codecov.io/gh/dotkernel/dot-mail)
 
 ## Installation