Switch camelCase to snake_case

Change-Id: I3c0832e2633e23517bc5c276438b61c427cf0316
diff --git a/README.rst b/README.rst
index 1e095b8..0a79118 100644
--- a/README.rst
+++ b/README.rst
@@ -75,7 +75,7 @@
         full_backups_to_keep: 3
         incr_before_full: 3
         backup_times:
-          dayOfWeek: 0
+          day_of_week: 0
           hour: 4
           minute: 52
         compression: true
@@ -92,7 +92,7 @@
   ``backup_times`` parameters is not defined, the defalut ``*`` value will be
   used. For example, if minute parameter is ``*``, it will run the backup every minute,
   which is ususally not desired.
-  Available parameters are ``dayOfWeek``, ``dayOfMonth``, ``month``, ``hour`` and ``minute``.
+  Available parameters are ``day_of_week``, ``day_of_month``, ``month``, ``hour`` and ``minute``.
   Please see the crontab reference for further info on how to set these parameters.
 
   .. note:: Please be aware that only ``backup_times`` section OR
@@ -140,7 +140,7 @@
         incr_before_full: 3
         backup_dir: /srv/backup
         backup_times:
-          dayOfWeek: 0
+          day_of_week: 0
           hour: 4
           minute: 52
         key:
@@ -154,7 +154,7 @@
   ``backup_times`` parameters is not defined, the defalut ``*`` value will be
   used. For example, if minute parameter is ``*``, it will run the backup every minute,
   which is ususally not desired.
-  Available parameters are ``dayOfWeek``, ``dayOfMonth``, ``month``, ``hour`` and ``minute``.
+  Available parameters are ``day_of_week``, ``day_of_month``, ``month``, ``hour`` and ``minute``.
   Please see the crontab reference for further info on how to set these parameters.
 
   .. note:: Please be aware that only ``backup_times`` section OR