diff --git a/appendixa/bison-desc.xml b/appendixa/bison-desc.xml
index 77b0432b7..46d297506 100644
--- a/appendixa/bison-desc.xml
+++ b/appendixa/bison-desc.xml
@@ -47,9 +47,9 @@ alone.</para></sect4>
 
 <sect4><title>yacc</title>
 
-<para>We create a bash script called yacc which calls bison using the -y
-option. This is for compatibility purposes for programs which use yacc
-instead of bison.</para></sect4>
+<para>This bash script calls bison using the -y option. This is for
+compatibility purposes for programs which use yacc instead of
+bison.</para></sect4>
 
 </sect3>