adjust and add text for party avatar sort order options

locales/en/groups.json

@@ -42,7 +42,7 @@
     "logoUrl": "Logo URL",
     "assignLeader": "Assign Group Leader",
     "members": "Member(s)",
-    "partyList": "Members list ordering",
+    "partyList": "Order for party members in header (reload browser after changing order)",
     "banTip": "Boot Member",
     "moreMembers": "more members",
     "invited": "Invited",
@@ -59,10 +59,12 @@
     "guilds": "Guilds",
     "sureKick": "Do you really want to remove this member from the party/guild?",
     "foreverAlone": "Can't like your own message. Don't be that person.",
-    "sortLevel": "Sort by Level",
+    "sortLevel": "Sort by level",
     "sortRandom": "Sort randomly",
     "sortPets": "Sort by number of pets",
-    "sortJoined": "Sort by date joined",
+    "sortJoined": "Sort by date joined the party",
+    "sortName": "Sort by avatar name",
+    "sortBackgrounds": "Sort by background",
     "confirmGuild": "Create Guild for 4 Gems?",
     "leaveGroupCha": "Leave Guild challenges and...",
     "confirm": "Confirm",