diff --git a/README.md b/README.md
index a896f65..8938280 100644
--- a/README.md
+++ b/README.md
@@ -54,6 +54,8 @@ XXX - A policy json that is required by AWS, base64 encoded.
 YYY - HMAC and sha of your private key
 ZZZ - Your public key
 Here's a rails example, even if you're not a rails developer, read the code, it's very straight forward. 
+
+  For a php example, please refer to [this guide](https://github.com/asafdav/ng-s3upload/wiki/PHP-Creating-the-S3-Policy).
   ```ruby
       def s3_access_token
         render json: {