diff --git a/scalding/pom.xml b/scalding/pom.xml
index 3805487a67..6ba01b1611 100644
--- a/scalding/pom.xml
+++ b/scalding/pom.xml
@@ -54,12 +54,12 @@
       <version>${project.version}</version>
       <scope>provided</scope>
     </dependency>
-    
-	<dependency>
-		<groupId>org.apache.commons</groupId>
-		<artifactId>commons-exec</artifactId>
-		<version>1.3</version>
-	</dependency>
+
+    <dependency>
+      <groupId>org.apache.commons</groupId>
+      <artifactId>commons-exec</artifactId>
+      <version>1.3</version>
+    </dependency>
 	
     <dependency>
       <groupId>org.slf4j</groupId>
diff --git a/scalding/src/main/scala/org/apache/zeppelin/scalding/ScaldingILoop.scala b/scalding/src/main/scala/org/apache/zeppelin/scalding/ScaldingILoop.scala
index 6ac5ff8fdf..434e033ad7 100644
--- a/scalding/src/main/scala/org/apache/zeppelin/scalding/ScaldingILoop.scala
+++ b/scalding/src/main/scala/org/apache/zeppelin/scalding/ScaldingILoop.scala
@@ -1,18 +1,20 @@
-/*  Copyright 2013 Twitter, inc.
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
  *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
+ *    http://www.apache.org/licenses/LICENSE-2.0
  *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
  */
-
+ 
 package org.apache.zeppelin.scalding;
 
 import java.io.File