docs: fix ApplicationPreferredRegions remarks typo (#5539)

Fixes #5485

Fixes a small grammar typo in the XML docs for
`CosmosClientOptions.ApplicationPreferredRegions`.

Tested:
- dotnet build Microsoft.Azure.Cosmos/src/Microsoft.Azure.Cosmos.csproj
-c Release

Co-authored-by: Kiran Kumar Kolli <[email protected]>

Author: fuguiKz

Microsoft.Azure.Cosmos/src/CosmosClientOptions.cs

@@ -174,7 +174,7 @@ public string ApplicationName
         /// <para>
         /// During the CosmosClient initialization the account information, including the available regions, is obtained from the <see cref="CosmosClient.Endpoint"/>.
         /// The CosmosClient will use the value of <see cref="ApplicationPreferredRegions"/> to populate the preferred list with the account available regions that intersect with its value.
-        /// If the value of <see cref="ApplicationPreferredRegions"/> contains regions that are not an available region in the account, the values will be ignored. If the these invalid regions are added later to the account, the CosmosClient will use them if they are higher in the preference order.
+        /// If the value of <see cref="ApplicationPreferredRegions"/> contains regions that are not an available region in the account, the values will be ignored. If these invalid regions are added later to the account, the CosmosClient will use them if they are higher in the preference order.
         /// </para>
         /// <para>
         /// If during CosmosClient initialization, the <see cref="CosmosClient.Endpoint"/> is not reachable, the CosmosClient will attempt to recover and obtain the account information issuing requests to the regions in <see cref="ApplicationPreferredRegions"/> in the order that they are listed.
@@ -1329,4 +1329,4 @@ public override bool CanConvert(Type objectType)
             }
         }
     }
-}
+}