Update README.md

README.md

@@ -14,4 +14,7 @@ This tiny addon tackles a frequent problem associated with macros similar to thi
 
 - **Draggable Button:** Easily move the button around by holding the Shift modifier.
 - **Quick Access:** Open the "Rated" arena frame by holding the Control modifier and the "Quick Match" frame by holding the Alt modifier.
-- **Combat and Instances:** The button grays out during combat and remains hidden inside instances.
+- **Combat and Instances:** The button grays out during combat and remains hidden inside instances.
+
+## Known Issue:
+When you open the group finder while in combat and try to select one of the rated brackets it wouldn't get tracked by the addon due to in-combat restrictions and how the secure environment works so in short it's a Blizzard thing.