diff --git a/clients/sellingpartner-api-aa-java/README.md b/clients/sellingpartner-api-aa-java/README.md
index 0f851be..54baec4 100644
--- a/clients/sellingpartner-api-aa-java/README.md
+++ b/clients/sellingpartner-api-aa-java/README.md
@@ -57,8 +57,24 @@ AWSAuthenticationCredentials awsAuthenticationCredentials = AWSAuthenticationCre
 
 com.squareup.okhttp.Request signedRequest = new AWSSigV4Signer(awsAuthenticationCredentials)
     .sign(request);
+
+/*Signs request using IAM role credentials.
+
+AWSAuthenticationCredentialsProvider awsAuthenticationCredentialsProvider = AWSAuthenticationCredentialsProvider.builder()
+               .roleArn("...")
+               .roleSessionName("...")
+               .build();
+               
+com.squareup.okhttp.Request signedRequest = new 
+     AWSSigV4Signer(awsAuthenticationCredentialsProvider.getCredentials())
+    .sign(request);
+
 ```
 
+## LWAAccessTokenCache
+Interface to implement cache for access token that is returned in LWAClient and reuse the access token until time to live.
+
+
 ## Resources
 This package features Mustache templates designed for use with [swagger codegen](https://swagger.io/tools/swagger-codegen/). 
 When you build Selling Partner API Swagger models with these templates, they help generate a rich SDK with functionality to invoke Selling Partner APIs built in. The templates are located in *resources/swagger-codegen*.