README fix for purging repos
diff --git a/README.rst b/README.rst
index 856851b..b10d881 100644
--- a/README.rst
+++ b/README.rst
@@ -507,6 +507,15 @@
           https: https://proxy.host.local:3143
 
 
+Remove all repositories:
+
+.. code-block:: yaml
+
+    linux:
+      system:
+        purge_repos: true
+
+
 RC
 ~~