Fixed comments in config

config

@@ -80,10 +80,10 @@ courier_socket =
 
 [rights]
 # Rights management method
-# Value: None | owner_only | owner_write | file_based
+# Value: None | owner_only | owner_write | from_file
 type = None
 
-# File for file_based rights management
+# File for rights management from_file
 file = ~/.config/radicale/rights