warning added

Author: sjoulaei

README.md

@@ -6,7 +6,8 @@ It installs:
 * setup ssl certificates
 * prepare confluence database
 
-**This script is not meant to cover all basis. It is created to ease the installation of confluence on a fresh Centos7 installation. **
+** Warning **
+** This script is not meant to cover all basis. It is created to ease the installation of confluence on a fresh Centos7 installation. **
 
 I haven't spent much time on error handling and covering all various scenarios.