diff --git a/chapter01/changelog.xml b/chapter01/changelog.xml
index df8af5973..5f0b0a98c 100644
--- a/chapter01/changelog.xml
+++ b/chapter01/changelog.xml
@@ -63,7 +63,7 @@
#5006.
- [rahul] - Update to pkgconf 2.0.0. Fixes
+ [rahul] - Update to pkgconf-2.0.0. Fixes
#5310.
@@ -253,7 +253,7 @@
#5273.
- [rahul] - Changed from pkg-config to pkgconf 1.9.5. Fixes
+ [rahul] - Changed from pkg-config to pkgconf-1.9.5. Fixes
#5274.