diff --git a/en_US.ISO8859-1/books/porters-handbook/book.sgml b/en_US.ISO8859-1/books/porters-handbook/book.sgml
index 70f258a4a8..20a9effef6 100644
--- a/en_US.ISO8859-1/books/porters-handbook/book.sgml
+++ b/en_US.ISO8859-1/books/porters-handbook/book.sgml
@@ -4722,7 +4722,7 @@ PORTVERSION=   1.0</programlisting>
 	  <literal>USE_GMAKE=yes</literal>.</para>
 
 	  <table frame="none">
-	    <title>Variables for ports related to gmake</title>
+	    <title>Variables for ports related to <application>gmake</application></title>
 
 	    <tgroup cols="2">
 	      <thead>
@@ -4788,7 +4788,7 @@ PORTVERSION=   1.0</programlisting>
 	  <makevar>CONFIGURE_ENV</makevar> variable.</para>
 
 	  <table frame="none">
-	    <title>Variables for ports that use configure</title>
+	    <title>Variables for ports that use <command>configure</command></title>
 
 	    <tgroup cols="2">
 	      <thead>