Add file header

Resolved:VNFSDK-21
VNF SDK Function tests

Change-Id: I867d865320492f3e3d032ec1edb9d6d410119537
Signed-off-by: Murali-P <murali.p@huawei.com>
diff --git a/vnf-sdk-function-test/src/main/java/org/openo/vnfsdk/functest/FileUtil.java b/vnf-sdk-function-test/src/main/java/org/openo/vnfsdk/functest/FileUtil.java
index ccfb3fa..7a5dbba 100644
--- a/vnf-sdk-function-test/src/main/java/org/openo/vnfsdk/functest/FileUtil.java
+++ b/vnf-sdk-function-test/src/main/java/org/openo/vnfsdk/functest/FileUtil.java
@@ -48,7 +48,7 @@
     /**
      * Create directory.
      * 
-     * @param dir dir to create
+     * @param dir directory to create
      * @return boolean
      */
     public static boolean createDirectory(String dir) {