diff --git a/chapter01/changelog.xml b/chapter01/changelog.xml
index e5ff7b4b8..3677af3d9 100644
--- a/chapter01/changelog.xml
+++ b/chapter01/changelog.xml
@@ -49,7 +49,7 @@
BLFS #18466.
- [bdubbs] - Update to vim-1837. Addresses
+ [bdubbs] - Update to vim-9.0.1837. Addresses
#4500.