Added missing create-secret command

Author: yortch

cache-extension-demo/README.md

@@ -114,7 +114,7 @@ aws ssm put-parameter \
 Create a new secret in AWS Secrets Manager using the following command
 
 ```bash
-aws secretsmanager \
+aws secretsmanager create-secret \
     --name "secret_info" \
     --secret-string "Hello World"
 ```
@@ -246,4 +246,4 @@ Lambda functions frequently accessing the DynamoDB database can also leverage th
 
 ## Conclusion
 
-This cache extension provides a secure way of caching data in parameter store, and DynamoDB also provides a way to implement TTL for cache items. By using this framework, we can reuse the caching code among multiple lambda functions and package all the required AWS dependencies part of AWS layers.
+This cache extension provides a secure way of caching data in parameter store, and DynamoDB also provides a way to implement TTL for cache items. By using this framework, we can reuse the caching code among multiple lambda functions and package all the required AWS dependencies part of AWS layers.