HDFS-7634. Fix CHANGES.txt

hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt

@@ -278,6 +278,9 @@ Trunk (Unreleased)
 
     HDFS-7638: Small fix and few refinements for FSN#truncate. (yliu)
 
+    HDFS-7634. Disallow truncation of Lazy persist files. (Yi Liu via
+    Arpit Agarwal)
+
 Release 2.7.0 - UNRELEASED
 
   INCOMPATIBLE CHANGES
@@ -735,9 +738,6 @@ Release 2.7.0 - UNRELEASED
 
     HDFS-7637. Fix the check condition for reserved path. (Yi Liu via jing9)
 
-    HDFS-7634. Disallow truncation of Lazy persist files. (Yi Liu via
-    Arpit Agarwal)
-
 Release 2.6.1 - UNRELEASED
 
   INCOMPATIBLE CHANGES