adding space before hyphen in title

Author: TedA-M

articles/azure-cache-for-redis/scripts/cache-keys-ports.md

@@ -1,5 +1,5 @@
 ---
-title: Get the hostname, ports, keys- Azure Cache for Redis - Azure CLI
+title: Get the hostname, ports, keys - Azure Cache for Redis - Azure CLI
 description: Azure CLI Script Sample - Get the hostname, ports, and keys for an Azure Cache for Redis instance
 author: yegu-ms
 tags: azure-service-management