Update apigw-secretsmanager-apikey-cdk/README.md

Co-authored-by: Ben <9841563+bfreiberg@users.noreply.github.com>

Author: marcojahn

apigw-secretsmanager-apikey-cdk/README.md

@@ -18,7 +18,7 @@ Important: this application uses various AWS services and there are costs associ
 
 1. Create a new directory, navigate to that directory in a terminal and clone the GitHub repository:
     ```
-    git clone git clone https://github.com/aws-samples/serverless-patterns
+    git clone https://github.com/aws-samples/serverless-patterns
     ```
 1. Change directory to the pattern directory:
     ```