diff --git a/en_US.ISO8859-1/books/porters-handbook/makefiles/chapter.xml b/en_US.ISO8859-1/books/porters-handbook/makefiles/chapter.xml
index 440a379946..8cece05b35 100644
--- a/en_US.ISO8859-1/books/porters-handbook/makefiles/chapter.xml
+++ b/en_US.ISO8859-1/books/porters-handbook/makefiles/chapter.xml
@@ -5812,6 +5812,13 @@ CONFIGURE_ARGS+=	--add-test
 .else
 CONFIGURE_ARGS+=	--no-test
 .endif</programlisting>
+
+	<tip>
+	  <para>Most of the time, the helpers in <xref
+	      linkend="options-configure_enable"/> and <xref
+	      linkend="options-configure_with"/> provide a shorter
+	    and more comprehensive functionality.</para>
+	</tip>
       </sect3>
 
       <sect3 xml:id="options-cmake_on">
@@ -5843,8 +5850,10 @@ CMAKE_ARGS+=	-DTEST:BOOL=true -DDEBUG:BOOL=true
 CMAKE_ARGS+=	-DOPTIMIZE:BOOL=true
 .endif</programlisting>
 
-	<para>See <xref linkend="options-cmake_bool"/> for a shorter
-	  helper when the value is boolean.</para>
+	<tip>
+	  <para>See <xref linkend="options-cmake_bool"/> for a shorter
+	    helper when the value is boolean.</para>
+	</tip>
       </sect3>
 
       <sect3 xml:id="options-cmake_bool">