diff --git a/chapter01/changelog.sgml b/chapter01/changelog.sgml
index 6e493c5cc..d890c61fb 100644
--- a/chapter01/changelog.sgml
+++ b/chapter01/changelog.sgml
@@ -70,8 +70,8 @@ installation.
 </para></listitem>
 
 <listitem><para>
-Chapter 6: Changed $* into $@ in the yacc script during bison's
-installation. $@ allows usage of quoted arguments with blanks.
+Chapter 6: Changed $* into "$@" in the yacc script during bison's
+installation. "$@" allows usage of quoted arguments with blanks.
 </para></listitem>
 
 </itemizedlist>
diff --git a/chapter06/bison-inst.sgml b/chapter06/bison-inst.sgml
index dd620f66b..6d44ec182 100644
--- a/chapter06/bison-inst.sgml
+++ b/chapter06/bison-inst.sgml
@@ -33,7 +33,7 @@ following:
 #!/bin/sh
 # Begin /usr/bin/yacc
 
-/usr/bin/bison -y $@
+/usr/bin/bison -y "$@"
 
 # End /usr/bin/yacc
 <userinput>EOF</userinput>