diff --git a/chapter01/changelog.xml b/chapter01/changelog.xml
index b5fb95d7e..c378309de 100644
--- a/chapter01/changelog.xml
+++ b/chapter01/changelog.xml
@@ -84,7 +84,7 @@
#5608.
- [bdubbs] - Update to jinja2-3.1.5. Fixes
+ [bdubbs] - Update to jinja2-3.1.5 (Security Update). Fixes
#5614.