diff --git a/README.md b/README.md
index b193d245..66684092 100644
--- a/README.md
+++ b/README.md
@@ -87,13 +87,17 @@ uv run ruff format src tests
 
 ## Forks
 
-* DE https://b42labs.github.io/mxmap/
+* DE 
+  * https://b42labs.github.io/mxmap/
+  * https://mx-map.de/
 * NL https://mxmap.nl/
 * NO https://kommune-epost-norge.netlify.app/
 * BE https://mxmap.be/
 * EU https://livenson.github.io/mxmap/
 * LV: https://securit.lv/mxmap
 * [CAmap Nordic & Baltic](https://koldex.github.io/ca-sovereignty-map/) — TLS CA sovereignty for Nordic and Baltic municipalities ([source](https://github.com/koldex/ca-sovereignty-map))
+* PT: https://mxmap.pt/
+* FR: https://mxmairies.fr/
 * See also the forks of this repository
 
 
diff --git a/css/shared.css b/css/shared.css
index f45c42b4..043abc16 100644
--- a/css/shared.css
+++ b/css/shared.css
@@ -17,6 +17,11 @@ body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-
   cursor: default;
 }
 .header-right { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
+.header-disclaimer {
+  flex: 1; text-align: center; font-size: 12px; color: #f6ed95;
+  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
+  padding: 0 12px;
+}
 
 #nav { display: flex; align-items: center; gap: 8px; position: relative; margin-left: 6px; }
 
@@ -55,6 +60,7 @@ body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-
 
 @media (max-width: 600px) {
   .beta-badge { display: none; }
+  .header-disclaimer { font-size: 10px; padding: 0 6px; }
   .nav-primary .header-link { font-size: 11px; padding: 2px 8px; }
   .nav-primary { display: none; }
   .nav-menu .nav-menu-mobile { display: block; }
diff --git a/index.html b/index.html
index 11404f77..4376fcd4 100644
--- a/index.html
+++ b/index.html
@@ -47,6 +47,7 @@ <h1 class="brand">MXmap</h1>
     <span class="beta-badge" title="Beta status, this website may contain errors">beta</span>
     <nav id="nav"></nav>
   </div>
+  <span class="header-disclaimer">&#9888; This data may be out of date. A research project is ongoing to further develop such maps.</span>
   <div class="header-right">
     <button class="toggle-info" id="toggle-info" aria-expanded="true" aria-controls="info-bar">About &#9652;</button>
   </div>