diff --git a/include/linux/irqreturn.h b/include/linux/irqreturn.h
index e374e369fb2f4c9eb5ace48679376550d5ee633c..eb1bdcf95f2e0c931a3a5cb599ab06547ff34f3d 100644
--- a/include/linux/irqreturn.h
+++ b/include/linux/irqreturn.h
@@ -3,7 +3,7 @@
 
 /**
  * enum irqreturn
- * @IRQ_NONE		interrupt was not from this device
+ * @IRQ_NONE		interrupt was not from this device or was not handled
  * @IRQ_HANDLED		interrupt was handled by this device
  * @IRQ_WAKE_THREAD	handler requests to wake the handler thread
  */