fix broken links

docs/index.rst

@@ -197,7 +197,6 @@ Here are some companies that use PostgREST in production.
 * `Drip Depot <https://www.dripdepot.com>`_
 * `Image-charts <https://www.image-charts.com>`_
 * `Moat <https://www.moat.com>`_
-* `MotionDynamic - Fast highly dynamic video generation at scale <https://motiondynamic.tech>`_
 * `Netwo <https://www.netwo.io>`_
 * `Nimbus <https://www.nimbusforwork.com>`_
   - See how Nimbus uses PostgREST in `Paul Copplestone's blog post <https://paul.copplest.one/blog/nimbus-tech-2019-04.html>`_.
@@ -206,8 +205,9 @@ Here are some companies that use PostgREST in production.
 * `Sompani <https://www.sompani.com>`_
 * `Supabase <https://supabase.com>`_
 
-.. Certs are failing
+.. Failing links
   * `eGull <http://www.egull.co>`_
+  * `MotionDynamic - Fast highly dynamic video generation at scale <https://motiondynamic.tech>`_
 
 Testimonials
 ------------

docs/references/api/stored_procedures.rst

@@ -3,7 +3,7 @@
 Stored Procedures
 =================
 
-*"A single resource can be the equivalent of a database stored procedure, with the power to abstract state changes over any number of storage items"* -- `Roy T. Fielding <https://roy.gbiv.com/untangled/2008/rest-apis-must-be-hypertext-driven#comment-743>`_
+*"A single resource can be the equivalent of a database stored procedure, with the power to abstract state changes over any number of storage items"* -- `Roy T. Fielding <http://roy.gbiv.com/untangled/2008/rest-apis-must-be-hypertext-driven#comment-743>`_
 
 Every stored procedure in the :ref:`exposed schema <schemas>` and accessible by the :ref:`active database role <roles>` is executable under the :code:`/rpc` prefix. Procedures can perform any operations allowed by PostgreSQL (read data, modify data, and even DDL operations).