Update README.md

Author: dheurtev

README.md

@@ -1,6 +1,7 @@
 # OpenSuse Leap - Base distributions
 
-These containers are built from OpenSuse Leap base with active zipper sources (normal or archive). No additional package is installed.
+These containers are built from OpenSuse Leap base with active zipper sources (normal or archive). 
+- No additional package is installed.
 
 The Dockerfiles are available in the [fruafr/docker-opensuse Github repository](https://github.com/fruafr/docker-opensuse)