diff --git a/yarn/alpha/src/main/scala/org/apache/spark/deploy/yarn/YarnRMClientImpl.scala b/yarn/alpha/src/main/scala/org/apache/spark/deploy/yarn/YarnRMClientImpl.scala
index fc3095301181212dc72b99e53797b5c6a7f1db25..acf26505e4cf983c109aee8f402dfb5453071114 100644
--- a/yarn/alpha/src/main/scala/org/apache/spark/deploy/yarn/YarnRMClientImpl.scala
+++ b/yarn/alpha/src/main/scala/org/apache/spark/deploy/yarn/YarnRMClientImpl.scala
@@ -98,7 +98,7 @@ private class YarnRMClientImpl(args: ApplicationMasterArguments) extends YarnRMC
     // Users can then monitor stderr/stdout on that node if required.
     appMasterRequest.setHost(Utils.localHostName())
     appMasterRequest.setRpcPort(0)
-    //remove the scheme from the url if it exists since Hadoop does not expect scheme
+    // remove the scheme from the url if it exists since Hadoop does not expect scheme
     appMasterRequest.setTrackingUrl(new URI(uiAddress).getAuthority())
     resourceManager.registerApplicationMaster(appMasterRequest)
   }