diff --git a/en_US.ISO8859-1/books/porters-handbook/book.sgml b/en_US.ISO8859-1/books/porters-handbook/book.sgml
index 9a2699296f..6662418b79 100644
--- a/en_US.ISO8859-1/books/porters-handbook/book.sgml
+++ b/en_US.ISO8859-1/books/porters-handbook/book.sgml
@@ -3298,9 +3298,9 @@ ALWAYS_KEEP_DISTFILES=  yes
 	<para>The COMMENT variable should immediately follow the MAINTAINER
 	  variable in the <filename>Makefile</filename>.</para>
 
-	<para>Please try to keep the COMMENT line less than 70
-	  characters, as it is displayed to users as a one-line
-	  summary of the port.</para>
+	<para>Please try to keep the COMMENT line less than 60
+	  characters, as this line will be used by the &man.pkg.info.1;
+	  utility to display a one-line summary of the port.</para>
       </sect1>
 
       <sect1 id="makefile-depend">