fix(zone): remove case sensitive note

The Ui forces the case to avoid issues on later time

zones_and_policies.rst

@@ -47,6 +47,7 @@ In addition to the default zones, the firewall can be configured with additional
 Two common examples are the Guest and DMZ (Demilitarized Zone) zones.
 Sometimes the Guest zone is also known as the blue zone while the DMZ is also named as orange.
 
+
 Guests zone (blue)
 ^^^^^^^^^^^^^^^^^^^
 
@@ -58,7 +59,7 @@ To create a Guest zone, follow these steps:
 
 - access the ``Zones & policies`` section
 - click on the ``Add zone`` button
-- enter **guest** inside the ``Name`` field: plesase note that the name is case sensitive and must be in lowercase, in this case the zone will be highlighted in blue
+- enter **guest** inside the ``Name`` field, in this case the zone will be highlighted in blue
 - leave empty the ``Allow forwards to`` field
 - select ``LAN`` inside the ``Allow forwards from`` field
 - enable the ``Traffic to WAN`` option
@@ -75,7 +76,7 @@ To create a DMZ, follow these steps:
 
 - access the ``Zones & policies`` section
 - click on the ``Add zone`` button
-- enter **dmz** inside the ``Name`` field: plesase note that the name is case sensitive and must be in lowercase, in this case the zone will be highlighted in orange
+- enter **dmz** inside the ``Name`` field, in this case the zone will be highlighted in orange
 - leave empty both the ``Allow forwards to`` and ``Allow forwards from`` fields
 - enable the ``Traffic to WAN`` option
 - select ``Drop`` for both ``Traffic to firewall`` and ``Traffic for the same zone`` fields