diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/authorize/AccessControlList.java b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/authorize/AccessControlList.java
index a32a5fe74b0..4f27a77ae4c 100644
--- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/authorize/AccessControlList.java
+++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/authorize/AccessControlList.java
@@ -97,10 +97,10 @@ public class AccessControlList implements Writable {
   }
 
   /**
-   * Build ACL from the given two Strings.
-   * The Strings contain comma separated values.
+   * Build ACL from the given array of strings.
+   * The strings contain comma separated values.
    *
-   * @param aclString build ACL from array of Strings
+   * @param userGroupStrings build ACL from array of Strings
    */
   private void buildACL(String[] userGroupStrings) {
     users = new HashSet<String>();