diff --git a/docs/Helpers.xml b/docs/Helpers.xml
index 79d374697..7cd2f0b39 100644
--- a/docs/Helpers.xml
+++ b/docs/Helpers.xml
@@ -71,7 +71,7 @@
       </listitem>
 
       <listitem>
-        <para>PPTP (TCP 1729)</para>
+        <para>PPTP (TCP 1723)</para>
       </listitem>
 
       <listitem>
@@ -121,9 +121,10 @@
       of your system.</para>
 
       <para>Many of the modules allow parameters to be specified when the
-      module is loaded. Among the common parameters is the ports parameter
-      that lists one or more ports that the module is to monitor. This allows
-      running the application on a non-standard port.</para>
+      module is loaded. Among the common parameters is the
+      <option>ports</option> parameter that lists one or more ports that the
+      module is to monitor. This allows running the application on a
+      non-standard port.</para>
     </section>
 
     <section>