diff --git a/.nojekyll b/.nojekyll
index e4c5cd9..db035d6 100644
--- a/.nojekyll
+++ b/.nojekyll
@@ -1 +1 @@
-227b1f42
\ No newline at end of file
+d1ebdeb2
\ No newline at end of file
diff --git a/index.html b/index.html
index 5947ccf..47fdf93 100644
--- a/index.html
+++ b/index.html
@@ -309,7 +309,7 @@ pre > code.sourceCode > span > a:first-child::before { text-decoration: underlin
 </section>
 <section id="adopting-these-labs" class="level2">
 <h2 class="anchored" data-anchor-id="adopting-these-labs">Adopting these labs</h2>
-<p>Free to adopt under the licenses below. If you’d like on-site delivery, customization, instructor materials, or accredited continuing-ed packaging built on top of these labs, <a href="https://such.software">such.software</a> — an independent provider co-founded by one of the authors — offers commercial services. Email <a href="mailto:info@such.software">info@such.software</a>.</p>
+<p>Free to adopt under the licenses below. If you’d like on-site delivery, customization, or instructor materials built on top of these labs, <a href="https://such.software">such.software</a> — an independent provider co-founded by one of the authors — offers commercial services. Email <a href="mailto:john@such.software">john@such.software</a>.</p>
 </section>
 <section id="acknowledgements" class="level2">
 <h2 class="anchored" data-anchor-id="acknowledgements">Acknowledgements</h2>
diff --git a/search.json b/search.json
index 9199fe0..10cf085 100644
--- a/search.json
+++ b/search.json
@@ -491,7 +491,7 @@
     "href": "index.html#adopting-these-labs",
     "title": "Geant4 Radiation Labs",
     "section": "Adopting these labs",
-    "text": "Adopting these labs\nFree to adopt under the licenses below. If you’d like on-site delivery, customization, instructor materials, or accredited continuing-ed packaging built on top of these labs, such.software — an independent provider co-founded by one of the authors — offers commercial services. Email info@such.software.",
+    "text": "Adopting these labs\nFree to adopt under the licenses below. If you’d like on-site delivery, customization, or instructor materials built on top of these labs, such.software — an independent provider co-founded by one of the authors — offers commercial services. Email john@such.software.",
     "crumbs": [
       "Home",
       "Introduction"
diff --git a/sitemap.xml b/sitemap.xml
index 9d19a10..06aa13a 100644
--- a/sitemap.xml
+++ b/sitemap.xml
@@ -10,7 +10,7 @@
   </url>
   <url>
     <loc>https://jwinterm.github.io/geant4-radiation-labs/index.html</loc>
-    <lastmod>2026-04-28T00:42:05.545Z</lastmod>
+    <lastmod>2026-04-28T00:45:27.540Z</lastmod>
   </url>
   <url>
     <loc>https://jwinterm.github.io/geant4-radiation-labs/lab1_setup/lab1.html</loc>