diff --git a/nfq2/lua.c b/nfq2/lua.c
index f47c17a..c14159b 100644
--- a/nfq2/lua.c
+++ b/nfq2/lua.c
@@ -2179,7 +2179,7 @@ static int luacall_csum_tcp_fix(lua_State *L)
 }
 static int luacall_csum_udp_fix(lua_State *L)
 {
-	// csum_udp_fix(ip_header, udp_header, payload) returns tcp_header
+	// csum_udp_fix(ip_header, udp_header, payload) returns udp_header
 	lua_check_argc(L,"csum_udp_fix",3);
 
 	LUA_STACK_GUARD_ENTER(L)