diff --git a/sys/net/include/udp.h b/sys/net/include/udp.h
index 2d913febda..3e136fa6c7 100644
--- a/sys/net/include/udp.h
+++ b/sys/net/include/udp.h
@@ -7,7 +7,7 @@
  */
 
 /**
- * @defgroup tcp    UDP implementation
+ * @defgroup udp    UDP implementation
  * @ingroup net
  * @brief   This module implements the transport layer protocol UDP.
  *          This includes 6LoWPAN UDP header compression.