add information tag that won't be read about new tags

Author: DaleHuntGB

Core/Config/GUI.lua

@@ -1791,7 +1791,7 @@ local function CreateTagSetting(containerParent, unit, tagDB)
     LayoutContainer:AddChild(FontSizeSlider)
 
     local TagSelectionContainer = GUIWidgets.CreateInlineGroup(containerParent, "Tag Selection")
-    GUIWidgets.CreateInformationTag(TagSelectionContainer, "You can use the dropdowns below to quickly add tags.")
+    GUIWidgets.CreateInformationTag(TagSelectionContainer, "You can use the dropdowns below to quickly add tags.\n|cFF8080FFPrefix|r indicates that this should be added to the start of the tag string.")
 
     local HealthTagDropdown = AG:Create("Dropdown")
     HealthTagDropdown:SetList(UUF:FetchTagData("Health")[1], UUF:FetchTagData("Health")[2])