Update example config file

extra/snap-pac.ini

@@ -5,31 +5,42 @@
 # other configurations to be snapshotted. By default, only the root configuration is snapshotted.
 # Create a setion named [DEFAULT] to have a setting apply for all snapper configurations
 
-[root]
-# How many characters to limit the description for snapper.
-desc_limit = 72
+## Uncomment to set parameters for snapper configuration named root
+#[root]
 
-# Whether or not to take snapshots of this snapper configuration
-snapshot = True
+## How many characters to limit the description for snapper.
+## Default is 72
+#desc_limit = 72
 
-# What snapper cleanup algorithm to use
-cleanup_algorithm = number
+## Whether or not to take snapshots of this snapper configuration
+## Default is True for root configuration and False for all other configurations
+#snapshot = True
 
-## Pre snapshot description. Default is the pacman command that triggered the hook
+## What snapper cleanup algorithm to use
+## Default is number
+#cleanup_algorithm = number
+
+## Pre snapshot description.
+## Default is the pacman command that triggered the hook
 #pre_description = pacman pre snapshot
 
-## Post snapshot description. Default is the list of packages involved in the pacman transaction
+## Post snapshot description.
+## Default is the list of packages involved in the pacman transaction
 #post_description = pacman post snapshot
 
 ## Uncomment to add "important=yes" to userdata for snapshots referring to these packages
+## Default is []
 #important_packages = ["linux", "linux-lts"]
 
 ## Uncomment to add "important=yes" to userdata for snapshots that were created with the following commands
+## Default is []
 #important_commands = ["pacman -Syu"]
 
 ## Add custom userdata. Each key-value pair should be an item in the list
+## Default is []
 #userdata = ["key=value","foo=bar"]
 
 ## Example for another snapper configuration named "home"
 # [home]
+## Default is False
 # snapshot = True