diff --git a/en_US.ISO8859-1/books/porters-handbook/uses.xml b/en_US.ISO8859-1/books/porters-handbook/uses.xml
index 5e75a3da4e..905e5b2963 100644
--- a/en_US.ISO8859-1/books/porters-handbook/uses.xml
+++ b/en_US.ISO8859-1/books/porters-handbook/uses.xml
@@ -46,3 +46,16 @@
     sources and fix common paths to make sure they respect the &os;
     hierarchy.</entry>
 </row>
+
+<row>
+  <entry><literal>qmail</literal></entry>
+  <entry>none, <literal>build</literal>, <literal>run</literal>,
+    <literal>both</literal>, <literal>vars</literal></entry>
+  <entry>Implies that the port uses <filename
+      role="package">mail/qmail</filename> in one way or another.  With
+    the <literal>build</literal> argument, it implies <command>qmail</command>
+    as a build-time dependency.  <literal>run</literal> implies a run-time
+    dependency.  Using no argument or the <literal>both</literal> argument
+    implies both run-time and build-time dependencies.  <literal>vars</literal>
+    will only set QMAIL variables for the port to use.</entry>
+</row>