diff --git a/chapter06/check.xml b/chapter06/check.xml
index c77fa8ed9..5374de5c1 100644
--- a/chapter06/check.xml
+++ b/chapter06/check.xml
@@ -42,7 +42,7 @@
Prepare Check for compilation:
-./configure --prefix=/usr
+./configure --prefix=/usr \
--docdir=/usr/share/doc/check-&check-version;
Build the package: