diff --git a/doc/admin-guide-cloud-rst/source/orchestration-auth-model.rst b/doc/admin-guide-cloud-rst/source/orchestration-auth-model.rst
index 18ce7665d7..1ada24f5d7 100644
--- a/doc/admin-guide-cloud-rst/source/orchestration-auth-model.rst
+++ b/doc/admin-guide-cloud-rst/source/orchestration-auth-model.rst
@@ -54,7 +54,7 @@ Keystone trusts authorization
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 OpenStack Identity trusts is a new authorization method available
-since the IceHouse release.
+since the Icehouse release.
 
 A trust is an OpenStack Identity extension that provides a method
 to enable delegation, and optionally impersonation via OpenStack
diff --git a/doc/admin-guide-cloud/orchestration/section_orchestration-auth-model.xml b/doc/admin-guide-cloud/orchestration/section_orchestration-auth-model.xml
index 85958a79af..faab9aff1e 100644
--- a/doc/admin-guide-cloud/orchestration/section_orchestration-auth-model.xml
+++ b/doc/admin-guide-cloud/orchestration/section_orchestration-auth-model.xml
@@ -62,7 +62,7 @@
    <section xml:id="section_orchestration-keystone-trusts-authorization">
      <title>Keystone trusts authorization</title>
      <para>OpenStack Identity trusts is the new authorization method available
-         since IceHouse release.</para>
+         since Icehouse release.</para>
      <para>Trusts are an OpenStack Identity extension, which provide a method to
          enable delegation, and optionally impersonation via OpenStack
          Identity. The key terminology is <emphasis>trustor</emphasis>