diff --git a/lychee.toml b/lychee.toml
index ee05da1..a97c803 100644
--- a/lychee.toml
+++ b/lychee.toml
@@ -8,6 +8,7 @@ exclude = [
   "https://www.grantadesign.com/*",
   "https://www.babcockinternational.com/*",
   "https://www.unf.edu/*",
+  "https://www.iec.ch/*",
 ]
 
 max_retries = 3
diff --git a/src/components/islands/HomePage.vue b/src/components/islands/HomePage.vue
index 9a96a6f..5781ffc 100644
--- a/src/components/islands/HomePage.vue
+++ b/src/components/islands/HomePage.vue
@@ -637,7 +637,7 @@ onUnmounted(() => {
        ═══════════════════════════════════════════════════════ -->
   <div class="section">
     <div class="cta-strip">
-      <a href="/schemas.html" class="cta-strip-card">
+      <a href="/schemas" class="cta-strip-card">
         <div class="cta-strip-icon">
           <svg width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5"><path d="M14 2H6a2 2 0 00-2 2v16a2 2 0 002 2h12a2 2 0 002-2V8z"/><polyline points="14 2 14 8 20 8"/><line x1="16" y1="13" x2="8" y2="13"/><line x1="16" y1="17" x2="8" y2="17"/><polyline points="10 9 9 9 8 9"/></svg>
         </div>
diff --git a/src/content/pages/about.mdx b/src/content/pages/about.mdx
index af869a1..9777248 100644
--- a/src/content/pages/about.mdx
+++ b/src/content/pages/about.mdx
@@ -45,7 +45,7 @@ UnitsML consists of interconnected components that together form a complete syst
   <div class="ecosystem-item">
     <h4>UnitsML XML Schemas</h4>
     <p>Authoritative XML schemas for encoding scientific units of measure — SI base units, derived units, and non-SI units. Designed to be incorporated into other markup languages.</p>
-    <a href="/schemas.html">Learn more &rarr;</a>
+    <a href="/schemas">Learn more &rarr;</a>
   </div>
   <div class="ecosystem-item">
     <h4>UnitsDB</h4>