docs: Apply suggestions from code review

Co-authored-by: Ned Batchelder <ned@edx.org>
Co-authored-by: Deborah Kaplan <deborahgu@users.noreply.github.com>

oeps/best-practices/oep-0067-bp-tools-and-technology.rst

@@ -33,24 +33,24 @@ OEP-67: Standard Tools and Technologies
 Abstract
 ********
 
-The Open edX Platform is built using many 1st and 3rd party tools and technologies.
+The Open edX Platform is built using many first- and third-party tools and technologies.
 This document covers the current recommendations for which tools and technologies should be used.
 
 Motivation
 **********
 
-The Open edX platform has a lot of 1st and 3rd party tools and technology that it uses.
+The Open edX platform has a lot of first and third party tools and technology that it uses.
 The problems we're trying to solve are:
 
-    * It is difficult to know what the current best practice for a given area.
+    * It is difficult to know the current best practice for a given area.
 
-    * It is unclear how to go about the discussion and decision making process
+    * It is unclear how to go about the discussion and decision-making process
       to change a best practice.
 
 :doc:`OEP-11 <oep-0011-bp-FED-technology>` serves as a great example for the
 usefulness of this kind of OEP but limits itself to be relevant only to
 frontend technologies.  This OEP would supersede :doc:`OEP-11
-<oep-0011-bp-FED-technology>` and encompass not only frontend technolog but any
+<oep-0011-bp-FED-technology>` and encompass not only front-end technology but any
 technology that:
 
     * Is considered a best practice for the Open edX Platform