Improve documantion of many plugins

Specifically the configuration examples are now indented properly.

plugins/git/git_commit_behind

@@ -3,8 +3,7 @@
 """=cut
 =head1 NAME
 
-git_commit_behind - Munin plugin to monitor local git repositories and report
-how many commits behind their remote they are
+git_commit_behind - Munin plugin to monitor local git repositories and report how many commits behind their remote they are
 
 =head1 NOTES
 
@@ -19,13 +18,20 @@ separate cron job.
 
 =head1 REQUIREMENTS
 
- - Python3
- - Git
+=over 4
+
+=item Python3
+
+=item Git
+
+=back
+
 
 =head1 INSTALLATION
 
 Link this plugin, as usual.
 For example :
+
   ln -s /path/to/git_commit_behind /etc/munin/plugins/git_commit_behind
 
 If you wish to update the repositories via cron and not during the plugin
@@ -33,16 +39,17 @@ execution (cf CONFIGURATION section), you need a dedicated cron job.
 
 For example, you can use the following cron :
 
-# If the git_commit_behind plugin is enabled, fetch git repositories randomly
-# according to the plugin configuration.
-# By default : once an hour (12 invocations an hour, 1 in 12 chance that the
-# update will happen), but ensure that there will never be more than two hours
-# (7200 seconds) interval between updates.
-*/5 * * * * root if [ -x /etc/munin/plugins/git_commit_behind ]; then /usr/sbin/munin-run git_commit_behind update >/dev/null; fi
+ # If the git_commit_behind plugin is enabled, fetch git repositories randomly
+ # according to the plugin configuration.
+ # By default : once an hour (12 invocations an hour, 1 in 12 chance that the
+ # update will happen), but ensure that there will never be more than two hours
+ # (7200 seconds) interval between updates.
+ */5 * * * * root if [ -x /etc/munin/plugins/git_commit_behind ]; then /usr/sbin/munin-run git_commit_behind update >/dev/null; fi
 
 =head1 CONFIGURATION
 
 Use your "/etc/munin/plugin-conf.d/munin-node" to configure this plugin.
+
     [git_commit_behind]
     user [user]
     env.git_path /path/to/git
@@ -63,7 +70,8 @@ env.update.maxinterval : optional (default : 7200),
 
 
 Then, for each repository you want to check, you need the following
-configuration block under the git_commit_behind section
+configuration block under the git_commit_behind section:
+
     env.repo.[repoCode].path /path/to/local/repo
     env.repo.[repoCode].name Repo Name
     env.repo.[repoCode].user user