Update comments

Signed-off-by: Jintao Zhang <zhangjintao9020@gmail.com>
Co-authored-by: Patryk Małek <patryk.malek@konghq.com>

test/conformance/gateway_conformance_test.go

@@ -34,8 +34,9 @@ var skippedTestsForTraditionalRoutes = []string{
 }
 
 var skippedTestsForExpressionRoutes = []string{
-	// When processing this scenario, the Kong's expression router currently needs to
-	// add `priority` to the route.
+	// When processing this scenario, the Kong's expressions router requires `priority`
+	// to be specified for routes.
+	// We cannot provide that for routes that are part of the conformance suite.
 	tests.GRPCRouteListenerHostnameMatching.ShortName,
 }