Fixed forgotten code block declaratin in README
diff --git a/README.rst b/README.rst
index 788cf53..91f1754 100644
--- a/README.rst
+++ b/README.rst
@@ -194,6 +194,8 @@
 
 Salt minion with salt mine options
 
+.. code-block:: yaml
+
     salt:
       minion:
         enabled: true