diff --git a/CHANGELOG.md b/CHANGELOG.md
index af1bdbdc..ba663371 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,7 +3,8 @@
 All notable changes to the ZSS package will be documented in this file.
 
 ## `2.18.0`
-- Enhancement: Curve customization support from array 'zowe.network.server.tls.curves' in zowe.yaml, only curves mentioned in https://www.ibm.com/docs/en/zos/3.1.0?topic=programming-cipher-suite-definitions#csdcwh__tttcsd are supported currently.
+- Enhancement: Curve customization support from array 'zowe.network.server.tls.curves' in zowe.yaml, only curves mentioned in https://www.ibm.com/docs/en/zos/3.1.0?topic=programming-cipher-suite-definitions#csdcwh__tttcsd are supported currently (#721).
+- Change log level for setting default value of 'httpRequestHeapMaxBlocks' to DEBUG instead of INFO.(#719)
 
 ## `2.17.0`
 - Code to configure the SLH block size of the http server through 'httpRequestHeapMaxBlocks' in the yaml.(#701)