diff --git a/doc/source/configuration/index.rst b/doc/source/configuration/index.rst
index ed599de0358..1589ac08618 100644
--- a/doc/source/configuration/index.rst
+++ b/doc/source/configuration/index.rst
@@ -21,8 +21,8 @@ Cinder Service Configuration
 
 .. warning::
 
-   For security reasons **Service Tokens must to be configured** in OpenStack
-   for Cinder to operate securely.  Pay close attention to the :doc:`specific
+   For security reasons **Service Tokens must be configured** in OpenStack
+   for Cinder to operate securely. Pay close attention to the :doc:`specific
    section describing it: <block-storage/service-token>`. See
    https://bugs.launchpad.net/nova/+bug/2004555 for details.
 
diff --git a/doc/source/install/index.rst b/doc/source/install/index.rst
index ae1732a3892..738c3ff3c65 100644
--- a/doc/source/install/index.rst
+++ b/doc/source/install/index.rst
@@ -37,8 +37,8 @@ The following links describe how to install the Cinder Block Storage Service:
 
 .. warning::
 
-   For security reasons **Service Tokens must to be configured** in OpenStack
-   for Cinder to operate securely.  Pay close attention to the :doc:`specific
+   For security reasons **Service Tokens must be configured** in OpenStack
+   for Cinder to operate securely. Pay close attention to the :doc:`specific
    section describing it: <../configuration/block-storage/service-token>`. See
    https://bugs.launchpad.net/nova/+bug/2004555 for details.