diff --git a/chapter06/bison.xml b/chapter06/bison.xml
index 158229a08..54f81a843 100644
--- a/chapter06/bison.xml
+++ b/chapter06/bison.xml
@@ -60,7 +60,7 @@ GCC, Gettext, Glibc, Grep, M4, Make, and Sed</seg></seglistitem>
 <varlistentry id="bison">
 <term><command>bison</command></term>
 <listitem>
-<para>generates, from a series of rules, a program for analyzing the
+<para>Generates, from a series of rules, a program for analyzing the
 structure of text files;  <application>Bison</application> is a
 replacement for <application>Yacc</application> (Yet Another Compiler
 Compiler)</para>
@@ -71,7 +71,7 @@ Compiler)</para>
 <varlistentry id="yacc">
 <term><command>yacc</command></term>
 <listitem>
-<para>a wrapper for <command>bison</command>, meant for programs
+<para>A wrapper for <command>bison</command>, meant for programs
 that still call <command>yacc</command> instead of <command>bison</command>;
 it calls <command>bison</command> with the <parameter>-y</parameter> option</para>
 <indexterm zone="ch-system-bison yacc"><primary sortas="b-yacc">yacc</primary></indexterm>
@@ -81,7 +81,7 @@ it calls <command>bison</command> with the <parameter>-y</parameter> option</par
 <varlistentry id="liby.a">
 <term><filename class="libraryfile">liby.a</filename></term>
 <listitem>
-<para>the Yacc library containing implementations of Yacc-compatible
+<para>The Yacc library containing implementations of Yacc-compatible
 <emphasis>yyerror</emphasis> and <emphasis>main</emphasis> functions;
 this library is normally not very useful, but POSIX requires
 it</para>