diff --git a/CHANGES b/CHANGES
index 232d3131..f417ec68 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,6 +1,8 @@
 DD MMM YYYY - 2.9.3 - To be released
 ------------------------------------
 
+ * IIS: no lock on ProcessRequest. No reload of config. 
+   [Issue #1826 - @allanbomsft]
  * IIS: buffer request body before taking lock
    [Issue #1651 - @allanbomsft]
  * good practices: Initialize variables before use it