diff --git a/doc/training-guides/common/section_keystone-arch.xml b/doc/training-guides/common/section_keystone-arch.xml
index a845963b..48631841 100644
--- a/doc/training-guides/common/section_keystone-arch.xml
+++ b/doc/training-guides/common/section_keystone-arch.xml
@@ -96,7 +96,7 @@
           <emphasis role="bold">Service</emphasis></term>
         <listitem>
           <para>An OpenStack service, such as Compute (Nova), Object
-            Storage (Swift), or Image Service (Glance). Provides one
+            Storage (Swift), or the Image Service (Glance) provides one
             or more endpoints through which users can access resources
             and perform operations.</para>
         </listitem>
@@ -104,7 +104,7 @@
       <varlistentry>
         <term><emphasis role="bold">Endpoint</emphasis></term>
         <listitem>
-          <para>An network-accessible address, usually described by
+          <para>A network-accessible address, usually described by
             URL, from where you access a service. If using an
             extension for templates, you can create an endpoint
             template, which represents the templates of all the