* more helpful comment

conf-examples/super.tab-example

@@ -1,3 +1,9 @@
-# adapt the following line to your local setup and add it to /etc/super.tab
+# Add the following line to your "super.tab".
+# This file usally lays in /etc/super.tab , depending on your 
+# installation it can also be found in /usr/etc/ or /usr/local/etc/
+#
 # 'yourUserName' is typically 'cryptobox'
+#
+# syntax of super.tab:
+# super_command	path_to_real_command	username
 CryptoBoxRootActions	/your/local/path/to/CryptoBoxRootActions.py	yourUserName