Compile: Fix incorrect package name
@@ -49,7 +49,7 @@ installation of self-compiled Elektra (such as how to uninstall it).
To build documentation you need doxygen (we recommend 1.8.8+), graphviz and [ronn](https://github.com/rtomayko/ronn/blob/master/INSTALLING#files):
- apt-get install doxygen graphviz ronn
+ apt-get install doxygen graphviz ruby-ronn
Or on RPM based systems:
