README.md in sensu-plugins-postgres-1.4.0 vs README.md in sensu-plugins-postgres-1.4.1

@@ -83,9 +83,17 @@
 
 ```
 gem install sensu-plugins-postgres
 ```
 
+## Centos installation
+
+```
+yum -y install gcc ruby-devel rubygems  postgresql-devel
+sensu-install -p sensu-plugins-postgres
+
+```
+
 See [Installation and Setup](http://sensu-plugins.io/docs/installation_instructions.html) for details.
 
 ### Known issues
 
 When using Sensu with `EMBEDDED_RUBY=true` and installing Postgres checks with `/usr/bin/sensu-install -p sensu-plugins-postgres` you might get following error: