Update articles/azure-cache-for-redis/cache-how-to-premium-persistence.md

Author: Jak-MS

articles/azure-cache-for-redis/cache-how-to-premium-persistence.md

@@ -228,7 +228,7 @@ After a rewrite, two sets of AOF files exist in storage. Rewrites occur in the b
 Using managed identity adds the cache instance to the [trusted services list](../storage/common/storage-network-security.md?tabs=azure-portal), making firewall exceptions easier to carry out. If you aren't using managed identity and instead authorizing to a storage account using a key, then having firewall exceptions on the storage account tends to break the persistence process.
 
 
-### Can I have AOF persistence enabled if I have more than 1 replica?
+### Can I have AOF persistence enabled if I have more than one replica?
 
 No, AOF persistence cannot be enabled with replicas (i.e replica count >= 2).