diff --git a/module001-ch004-openstack-architecture.xml b/module001-ch004-openstack-architecture.xml
index 8d7d85bf..1371a335 100644
--- a/module001-ch004-openstack-architecture.xml
+++ b/module001-ch004-openstack-architecture.xml
@@ -178,7 +178,7 @@
         <listitem>
           <para>The queue provides a central hub for passing messages
             between daemons. This is usually implemented with RabbitMQ
-            today, but could be any AMPQ message queue (such as Apache
+            today, but could be any AMQP message queue (such as Apache
             Qpid). New to the Folsom release is support for Zero
             MQ.</para>
         </listitem>