Added MESOS-10126 to the 1.6.3 CHANGELOG.
diff --git a/CHANGELOG b/CHANGELOG
index 2e35f64..d436bbf 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -24,6 +24,7 @@
   * [MESOS-9889] - Master CPU high due to unexpected foreachkey behaviour in Master::__reregisterSlave.
   * [MESOS-9893] - `volume/secret` isolator should cleanup the stored secret from runtime directory when the container is destroyed.
   * [MESOS-10007] - Command executor can miss exit status for short-lived commands due to double-reaping.
+  * [MESOS-10126] - Docker volume isolator needs to clean up the `info` struct regardless the result of unmount operation
 
 ** Improvement
   * [MESOS-8880] - Add minimum capabilities in the master.