diff --git a/src/core/net/nd6.cpp b/src/core/net/nd6.cpp
index febd9f39d..b4e2ec529 100644
--- a/src/core/net/nd6.cpp
+++ b/src/core/net/nd6.cpp
@@ -183,7 +183,7 @@ void RaFlagsExtOption::Init(void)
 }
 
 //----------------------------------------------------------------------------------------------------------------------
-// RouteInfoOption
+// RecursiveDnsServerOption
 
 void RecursiveDnsServerOption::Init(void)
 {