Fix typo

/rest/i -> REST

Author: changeworld

articles/hdinsight/kafka/tutorial-cli-rest-proxy.md

@@ -50,13 +50,13 @@ If you don't have an Azure subscription, create a [free account](https://azure.m
     |storageAccount|Replace STORAGEACCOUNTNAME with a name for your new storage account.|
     |httpPassword|Replace PASSWORD with a password for the cluster login, **admin**.|
     |sshPassword|Replace PASSWORD with a password for the secure shell username, **sshuser**.|
-    |securityGroupName|Replace SECURITYGROUPNAME with the client AAD security group name for Kafka Rest Proxy. The variable will be passed to the `--kafka-client-group-name` parameter for `az-hdinsight-create`.|
-    |securityGroupID|Replace SECURITYGROUPID with the client AAD security group ID for Kafka Rest Proxy. The variable will be passed to the `--kafka-client-group-id` parameter for `az-hdinsight-create`.|
+    |securityGroupName|Replace SECURITYGROUPNAME with the client AAD security group name for Kafka REST Proxy. The variable will be passed to the `--kafka-client-group-name` parameter for `az-hdinsight-create`.|
+    |securityGroupID|Replace SECURITYGROUPID with the client AAD security group ID for Kafka REST Proxy. The variable will be passed to the `--kafka-client-group-id` parameter for `az-hdinsight-create`.|
     |storageContainer|Storage container the cluster will use, leave as-is for this tutorial. This variable will be set with the name of the cluster.|
     |workernodeCount|Number of worker nodes in the cluster, leave as-is for this tutorial. To guarantee high availability, Kafka requires a minimum of 3 worker nodes|
     |clusterType|Type of HDInsight cluster, leave as-is for this tutorial.|
-    |clusterVersion|HDInsight cluster version, leave as-is for this tutorial. Kafka Rest Proxy requires a minimum cluster version of 4.0.|
-    |componentVersion|Kafka version, leave as-is for this tutorial. Kafka Rest Proxy requires a minimum component version of 2.1.|
+    |clusterVersion|HDInsight cluster version, leave as-is for this tutorial. Kafka REST Proxy requires a minimum cluster version of 4.0.|
+    |componentVersion|Kafka version, leave as-is for this tutorial. Kafka REST Proxy requires a minimum component version of 2.1.|
 
     Update the variables with desired values. Then enter the CLI commands to set the environment variables.
 
@@ -130,8 +130,8 @@ If you don't have an Azure subscription, create a [free account](https://azure.m
         |Parameter | Description|
         |---|---|
         |--kafka-management-node-size|The size of the node. This tutorial uses the value **Standard_D4_v2**.|
-        |--kafka-client-group-id|The client AAD security group ID for Kafka Rest Proxy. The value is passed from the variable **$securityGroupID**.|
-        |--kafka-client-group-name|The client AAD security group name for Kafka Rest Proxy. The value is passed from the variable **$securityGroupName**.|
+        |--kafka-client-group-id|The client AAD security group ID for Kafka REST Proxy. The value is passed from the variable **$securityGroupID**.|
+        |--kafka-client-group-name|The client AAD security group name for Kafka REST Proxy. The value is passed from the variable **$securityGroupName**.|
         |--version|The HDInsight cluster version must be at least 4.0. The value is passed from the variable **$clusterVersion**.|
         |--component-version|The Kafka version must be at least 2.1. The value is passed from the variable **$componentVersion**.|