diff --git a/doc/download/index.html b/doc/download/index.html
index 6b0953db38..48c02badf9 100644
--- a/doc/download/index.html
+++ b/doc/download/index.html
@@ -128,6 +128,9 @@
               </td>
             </tr>
           </table>
+          <p>
+            Note: Python 2.6 or 2.7 is required to build from source tarballs.
+          </p>
 
           <h2 style="margin-top:1em" id=other-info>Other Info</h2>
           <ul>