diff --git a/en_US.ISO8859-1/books/porters-handbook/book.sgml b/en_US.ISO8859-1/books/porters-handbook/book.sgml
index 11363cbd0f..9687e99020 100644
--- a/en_US.ISO8859-1/books/porters-handbook/book.sgml
+++ b/en_US.ISO8859-1/books/porters-handbook/book.sgml
@@ -852,7 +852,7 @@ PORTVERSION=	0.10</programlisting>
 	    accordingly.</para>
 
 	  <programlisting>PORTNAME=	gtkmumble
-PORTVERSIOn=	0.10
+PORTVERSION=	0.10
 PORTREVISION=	1</programlisting>
 
 	  <para><makevar>PKGNAME</makevar> becomes