diff --git a/features/netsocket/DNS.h b/features/netsocket/DNS.h
index 6ee876c7d2..3570cdc6a7 100644
--- a/features/netsocket/DNS.h
+++ b/features/netsocket/DNS.h
@@ -15,7 +15,7 @@
  */
 
 /** @file DNS.h Domain Name Service */
-/** @\addtogroup netsocket
+/** @addtogroup netsocket
  * @{ */
 
 #ifndef DNS_H