diff --git a/handbook/essentials.html b/handbook/essentials.html
index a94371ed0..98958de50 100644
--- a/handbook/essentials.html
+++ b/handbook/essentials.html
@@ -23,7 +23,8 @@ So get this essential data onto your phone (or handheld GPS).
     </tr>    
     <tr>
     <!--NOTE downloads from the handbook are from /expoweb/ repo and are managed by troggle and the correct "Content type" is set, 
-    whereas files downloaded from /expofiles/ are just managed by apache and so Chrome on Android munges the filename  -->
+    whereas files downloaded from /expofiles/ are just managed by apache and so Chrome on Android munges the filename 
+    So DO NOT store gpx files for download on /expofiles/     -->
       <td><a download href="/expofiles/gpslogs/essentials/essentials.gpx">essentials.gpx</a></td> 
       <td><a download href="/expofiles/gpslogs/essentials/essentials.kml">essentials.kml</a></td> 
       <td><a download href="/expofiles/gpslogs/essentials/essentials.zip">essentials.zip</a></td>