diff --git a/README.md b/README.md
index 5ed1f2a..e8f2c37 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,7 @@ Builds of packages, as well as builds of container images, must be reproducible
 Because every change of a package yields in a different identity, the system allows to have multiple versions of one software application.
 These can differ in properties like source code patches, build configuration options, target architecture, etc.. 
 
-### Portability
+### Portability of the whole system
 As a portable system, builds can be processed locally on a users workstation or distributed to a bunch of servers.
 
 ### Shareable source and binary files