fix broken links thanks to RTD not redirecting anymore

Author: mmerickel

layouts/page/documentation.html

@@ -72,7 +72,7 @@ <h2 class="title text-red">Documentation</h2>
           <h2 class="title text-red">Learn</h2>
           <dl>
             <dt>
-              <a href="https://docs.pylonsproject.org/projects/pyramid-tutorials/en/latest/">
+              <a href="https://docs.pylonsproject.org/projects/pyramid_tutorials/en/latest/">
                 Tutorials
               </a>
             </dt>
@@ -88,7 +88,7 @@ <h2 class="title text-red">Learn</h2>
               <p>An introduction to writing basic web applications using Pyramid.</p>
             </dd>
             <dt>
-              <a href="https://docs.pylonsproject.org/projects/pyramid-cookbook/en/latest/">
+              <a href="https://docs.pylonsproject.org/projects/pyramid_cookbook/en/latest/">
                 Cookbook
               </a>
             </dt>