diff --git a/src/include/lwip/prot/igmp.h b/src/include/lwip/prot/igmp.h
index bdc3bf24..d60cb31e 100644
--- a/src/include/lwip/prot/igmp.h
+++ b/src/include/lwip/prot/igmp.h
@@ -1,6 +1,6 @@
 /**
  * @file
- * UDP protocol definitions
+ * IGMP protocol definitions
  */
 
 /*