diff --git a/src/gateware/wrpll.py b/src/gateware/wrpll.py
index 80cbf42..268bda1 100644
--- a/src/gateware/wrpll.py
+++ b/src/gateware/wrpll.py
@@ -133,7 +133,7 @@ class WRPLL(Module, AutoCSR):
             )
         ]
 
-        # PL->PS interrupt
+        # EventMangers for firmware interrupt
 
         self.submodules.ref_tag_ev = EventManager()
         self.ref_tag_ev.stb = EventSourcePulse()