diff --git a/doc/common/ch_getstart.xml b/doc/common/ch_getstart.xml
index 3f45b9b280..4998db5f35 100644
--- a/doc/common/ch_getstart.xml
+++ b/doc/common/ch_getstart.xml
@@ -183,7 +183,7 @@
             </tr>
             <tr>
                 <td><link xlink:href="http://www.openstack.org/software/openstack-shared-services/"
-                            ><glossterm>Data Processing Service</glossterm></link>
+                            ><glossterm>Data processing service</glossterm></link>
                 </td>
                 <td><link xlink:href="http://docs.openstack.org/developer/sahara/"
                             ><glossterm>Sahara</glossterm></link>
diff --git a/doc/common/section_cli_overview.xml b/doc/common/section_cli_overview.xml
index 53ee1d7ed8..df1dbed51f 100644
--- a/doc/common/section_cli_overview.xml
+++ b/doc/common/section_cli_overview.xml
@@ -103,7 +103,7 @@
                 <td>Create and collect measurements across OpenStack.</td>
             </tr>
             <tr>
-                <td>Data Processing</td>
+                <td>Data processing service</td>
                 <td><command>sahara</command></td>
                 <td><package>python-saharaclient</package></td>
                 <td>Creates and manages Hadoop clusters on OpenStack.</td>
diff --git a/doc/glossary/glossary-terms.xml b/doc/glossary/glossary-terms.xml
index b74799eeef..5af2cf2ab9 100644
--- a/doc/glossary/glossary-terms.xml
+++ b/doc/glossary/glossary-terms.xml
@@ -2137,7 +2137,7 @@
         (keystone), Dashboard (horizon), Networking (neutron), and Block
         Storage (cinder), the Telemetry module (ceilometer), Orchestration
         module (heat), Database service (trove), Bare Metal service (ironic),
-        Data Processing service (sahara). However, this
+        Data processing service (sahara). However, this
         definition is changing based on
         community discussions about the "Big Tent".
         </para>
diff --git a/doc/install-guide/ch_overview.xml b/doc/install-guide/ch_overview.xml
index 5268e1601b..b6d8ce5087 100644
--- a/doc/install-guide/ch_overview.xml
+++ b/doc/install-guide/ch_overview.xml
@@ -69,7 +69,7 @@
               <glossterm>Network Time Protocol (NTP)</glossterm>.</para>
             <para>Optionally, the controller node runs portions of
               Block Storage, Object Storage, Orchestration, Telemetry,
-              Database, and Data Processing services. These
+              Database, and Data processing services. These
               components provide additional features for your
               environment.</para>
           </listitem>
@@ -174,7 +174,7 @@
               <glossterm>Network Time Protocol (NTP)</glossterm>.</para>
             <para>Optionally, the controller node runs portions of
               Block Storage, Object Storage, Orchestration, Telemetry,
-              Database, and Data Processing services. These
+              Database, and Data processing services. These
               components provide additional features for your
               environment.</para>
           </listitem>
diff --git a/doc/user-guides/source/common/cli_overview.rst b/doc/user-guides/source/common/cli_overview.rst
index bb1c94ddd1..b4e8a53556 100644
--- a/doc/user-guides/source/common/cli_overview.rst
+++ b/doc/user-guides/source/common/cli_overview.rst
@@ -73,7 +73,7 @@ service with its package name and description.
 |                |          |                       |measurements across     |
 |                |          |                       |OpenStack.              |
 +----------------+----------+-----------------------+------------------------+
-|Data Processing |sahara    |python-saharaclient    |Create and manage       |
+|Data processing |sahara    |python-saharaclient    |Create and manage       |
 |                |          |                       |Hadoop clusters on      |
 |                |          |                       |OpenStack.              |
 +----------------+----------+-----------------------+------------------------+