Merge pull request #412 from edx/cptvitamin/doc/CourseAuthorAccessibi…

…lity

Finalize Accessibility Best Practices Guidance section in B&R Guides

en_us/course_authors/source/accessibility/index.rst

@@ -5,20 +5,23 @@ Accessibility Best Practices Guidance for Content Providers
 ######################################################################
 
 The core mission of edX is to expand access to education for everyone. We
-expect courses and course content developed on the edX platform to be
+expect courses and course content developed on the Open edX platform to be
 accessible to everyone, regardless of any physical limitation that they might
 have.
 
-EdX is committed to incorporating accessibility into its platform, website
-(http://www.edx.org), and mobile applications so that course providers can use
-edX tools to develop accessible courses and course content that meets the
-needs of all learners, including those with disabilities.
+.. Do not modify the following paragraph; wording exactly as provided by Legal.
+
+In furtherance of our mission, edX has entered into an agreement with the
+United States, under which we have agreed to incorporate accessibility into
+our website (http://www.edx.org), mobile applications, and platform to meet a
+wide variety of requirements of learners with disabilities and to enable
+content providers to develop accessible course content.
 
 The topics in this section are intended to help course teams understand how to
 develop courses that can serve the widest possible audience.
 
-.. note:: Course teams should familiarize themselves with these best practice
-   guidelines and distribute them to any members of their teams who are
+.. note:: Course teams should familiarize themselves with this best practices
+   guidance and distribute it to any members of their teams who are
    responsible for creating course content.
 
 .. toctree::