typo update in README.md

Author: Rajesh Kumar

eventbridge-api-destinations/README.md

@@ -51,7 +51,7 @@ Important: this application uses various AWS services and there are costs associ
 - To run the Shopify API Destination example, cd to `9-shopify`.
 - To run the Stripe API Destination example, cd to `10-stripe`.
 - To run the API Destination with OAuth credentials example, cd to `11-oauth-api`.
-- To run the API Destination with OAuth credentials using CMK encryption example, cd to `12-oauth-api-cmk-encryption`. And then follow the Example12_README.md file instructions.
+- To run the API Destination with OAuth credentials using CMK encryption example, cd to `12-oauth-api-cmk-encryption`. And then follow the README.md file instructions.
 1. From the command line, use AWS SAM to deploy the AWS resources for the pattern as specified in the template.yml file:
     ```
     sam deploy --guided