diff --git a/man/machine-info.xml b/man/machine-info.xml
index cd254a9c35..53c9e64ec4 100644
--- a/man/machine-info.xml
+++ b/man/machine-info.xml
@@ -120,6 +120,7 @@
           <literal>development</literal>,
           <literal>integration</literal>,
           <literal>staging</literal>,
+          <literal>testing</literal>,
           <literal>production</literal>.
           </para>