Fixed CHANGES.txt for HADOOP-10976.

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

@@ -221,6 +221,9 @@ Release 2.7.0 - UNRELEASED
     HADOOP-11632. Cleanup Find.java to remove SupressWarnings annotations.
     (Akira Ajisaka via ozawa)
 
+    HADOOP-10976. moving the source code of hadoop-tools docs to the
+    directory under hadoop-tools (Masatake Iwasaki via aw)
+
   OPTIMIZATIONS
 
     HADOOP-11323. WritableComparator#compare keeps reference to byte array.
@@ -243,9 +246,6 @@ Release 2.7.0 - UNRELEASED
     HADOOP-11620. Add support for load balancing across a group of KMS for HA.
     (Arun Suresh via wang)
 
-    HADOOP-10976. moving the source code of hadoop-tools docs to the
-    directory under hadoop-tools (Masatake Iwasaki via aw)
-
   BUG FIXES
 
     HADOOP-11512. Use getTrimmedStrings when reading serialization keys