Minor grammar fixes and rewording [Interface] Network (#743)

* Minor grammar fixes and rewording [Interface] Network

* Update firewall_generic.rst

Author: ZacharyPax

source/manual/firewall_generic.rst

@@ -2,16 +2,16 @@
 Generic info
 ===========================
 
-This chapter explains some of the concepts that are being used in different modules of our firewall system and
+This chapter explains some of the concepts that are used in different modules of our firewall system and
 therefore don't belong to a specific section of this topic.
 
 
 -----------------------------------------
 Address types
 -----------------------------------------
 
-When choosing source and or destination addresses, the user can choose several options depending on the context.
-To explain what the different options mean when being presented, we will sum them up below:
+When choosing source and/or destination addresses, the user can choose several options depending on the context.
+To explain what the different options mean when being presented, we will summarize them below:
 
 ========================================================================================================================================================
 
@@ -21,7 +21,7 @@ Alias                                 Flexible type of network or address defini
 Single host or network                Standard host or network in `CIDR notation <https://en.wikipedia.org/wiki/Classless_Inter-Domain_Routing>`__
 any                                   All IPv4 and/or IPv6 addresses (in the world)
 This Firewall                         All IPv4 and/or IPv6 addresses assigned to this firewall
-[Interface] Network                   All networks assigned to the physical interface, this will include networks of virtual addresses assigned as well
+[Interface] Network                   All networks assigned to the device, this will also include networks of assigned virtual addresses
                                       ([Interface] is explained in the :doc:`interfaces </manual/interfaces>` topic). Normally used to allow traffic
                                       from or to clients connected to a specific interface.
 [Interface] Address                   All addresses configured on an interface, this includes all virtual (alias) addresses as well.