HADOOP-10782. Merge r1608539 from trunk.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1608541 13f79535-47bb-0310-9956-ffa450edef68

hadoop-common-project/hadoop-common/CHANGES.txt

@@ -145,6 +145,8 @@ Release 2.5.0 - UNRELEASED
 
     HADOOP-10312 Shell.ExitCodeException to have more useful toString (stevel)
 
+    HADOOP-10782. Fix typo in DataChecksum class. (Jingguo Yao via suresh)
+
   OPTIMIZATIONS
 
   BUG FIXES 

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/DataChecksum.java

@@ -30,7 +30,7 @@ import org.apache.hadoop.classification.InterfaceStability;
 import org.apache.hadoop.fs.ChecksumException;
 
 /**
- * This class provides inteface and utilities for processing checksums for
+ * This class provides interface and utilities for processing checksums for
  * DFS data transfers.
  */
 @InterfaceAudience.LimitedPrivate({"HDFS", "MapReduce"})