fix typo
diff --git a/programmer-guide/src/architecture.xml b/programmer-guide/src/architecture.xml
index c878abd..3ba9c5a 100644
--- a/programmer-guide/src/architecture.xml
+++ b/programmer-guide/src/architecture.xml
@@ -324,7 +324,7 @@
(see section 104.6 in the Compendium Specification) </para>
<para>For a singleton configuration the name that it will be installed under is its filename
minus the <code>.properties</code> extension. Factory Configuration is supported by
- specifying the <emphasis>service.factoryPid</emphasis> property. In this case actual PID will
+ specifying the <emphasis>service.factoryPid</emphasis> property. In this case the actual PID will
be created by <emphasis>Configuration Admin</emphasis> (see section 104.6 in the
Compendium Specification).</para>
<para>How to consume configuration data is discussed <link
