diff --git a/charts/ingress-nginx/README.md b/charts/ingress-nginx/README.md
index a809e7e5e..0e0441771 100644
--- a/charts/ingress-nginx/README.md
+++ b/charts/ingress-nginx/README.md
@@ -171,9 +171,12 @@ controller:
     internal:
       enabled: true
       annotations:
-        # ref: https://cloud.google.com/kubernetes-engine/docs/how-to/internal-load-balancing#create
-        # Create internal LB
+        # Create internal LB. More informations: https://cloud.google.com/kubernetes-engine/docs/how-to/internal-load-balancing
+        # For GKE versions 1.17 and later
         networking.gke.io/load-balancer-type: "Internal"
+        # For earlier versions
+        # cloud.google.com/load-balancer-type: "Internal"
+        
         # Any other annotation can be declared here. 
 ```