diff --git a/specification/_config.yml b/specification/_config.yml
index cfa51cf..eb0c362 100644
--- a/specification/_config.yml
+++ b/specification/_config.yml
@@ -41,6 +41,15 @@ html:
   use_issues_button: true
   use_repository_button: true
   home_page_in_navbar: false
+  announcement: |
+    <div>
+      </style>
+        <h2><b>THIS SITE IS BEING MERGED</b></h2>
+        <h3>
+          The BIDS group is currently finalizing a NEW main website that will merge our existing websites into one central, easy to navigate resource. The <b><a href="https://bids-website.readthedocs.io" target="_blank">New BIDS Website</a> (https://bids-website.readthedocs.io)</b> is still being finalized, but we encourage feedback via the giscus form on the bottom of the main page.
+        </h3>
+        Please feel free to submit suggestions or comments as we improve and consolidate our existing BIDS resources.
+    </div>
 
 latex:
   latex_engine: xelatex
@@ -69,7 +78,7 @@ sphinx:
     intersphinx_mapping:
       python: ['https://docs.python.org/3', null]
       pybids: ['https://bids-standard.github.io/pybids', null]
-      bids-matlab: ['https://bids-matlab.readthedocs.io/en/latest', null]
+      bids-matlab: ['https://bids-matlab.readthedocs.io/en/main', null]
     html_extra_path:
       - schema
     suppress_warnings:
diff --git a/specification/walkthrough-intro.md b/specification/walkthrough-intro.md
index 8919ed6..8014615 100644
--- a/specification/walkthrough-intro.md
+++ b/specification/walkthrough-intro.md
@@ -8,7 +8,7 @@ This guide is aimed at those new to *BIDS Stats Models*
 but familiar with neuroimaging analysis experience.
 
 If you want more detail on any topics covered here, 
-head over to the **[specification](reference.rst)** for reference.
+head over to the **[specification](reference.md)** for reference.
 
 ```{tableofcontents}
 ```