Update cache-redis-samples.md

Author: v-thepet

articles/azure-cache-for-redis/cache-redis-samples.md

@@ -68,9 +68,9 @@ The [Manage Azure Cache for Redis using Azure Management Libraries](https://gith
 
 The [Access Azure Cache for Redis Monitoring data](https://github.com/rustd/RedisSamples/tree/master/CustomMonitoring) sample demonstrates how to access monitoring data for your Azure Cache for Redis outside of the Azure portal.
 
-## A Twitter-style clone written using PHP and Redis
+## An X-style clone written using PHP and Redis
 
-The [Retwis](https://github.com/SyntaxC4-MSFT/retwis) sample is the Redis Hello World. It's a minimal Twitter-style social network clone written using Redis and PHP using the [Predis](https://github.com/nrk/predis) client. The source code is designed to be simple and at the same time to show different Redis data structures.
+The [Retwis](https://github.com/SyntaxC4-MSFT/retwis) sample is the Redis Hello World. It's a minimal X-style social network clone written using Redis and PHP using the [Predis](https://github.com/nrk/predis) client. The source code is designed to be simple and at the same time to show different Redis data structures.
 
 ## Bandwidth monitor