diff --git a/chapter06/glibc.xml b/chapter06/glibc.xml
index 3f87248c9..1ba0e7c84 100644
--- a/chapter06/glibc.xml
+++ b/chapter06/glibc.xml
@@ -68,7 +68,7 @@
Glibc autoconf tests would give false results and defeat the goal
of achieving a clean build.
- Fix is regression in the package that affects 32-bit architectures:
+ Fix a regression in the package that affects 32-bit architectures:
sed -e '/ia32/s/^/1:/' \
-e '/SSE2/s/^1://' \