diff --git a/chapter05/gcc-pass1-inst.xml b/chapter05/gcc-pass1-inst.xml
index 15c219f51..7d7532cd9 100644
--- a/chapter05/gcc-pass1-inst.xml
+++ b/chapter05/gcc-pass1-inst.xml
@@ -37,7 +37,7 @@ cd ../gcc-build</userinput></screen></para>
 purpose of this switch is to remove <filename>/usr/local/include</filename>
 from <userinput>gcc</userinput>'s include search path. This is not absolutely
 essential; however, we want to try to minimize the influence of the host
-system, thus making this is a sensible thing to do.</para></listitem>
+system, thus making this a sensible thing to do.</para></listitem>
 
 <listitem><para><userinput>--enable-shared</userinput>: This switch may
 seem counter-intuitive at first. But using it allows the building of