update build notes

diff --git a/doc/building.html b/doc/building.html
index d72ae7d..e628f0f 100755 (executable)
--- a/doc/building.html
+++ b/doc/building.html
@@ -25,10 +25,9 @@
 <p>
 You will need the following (hopefully):<br>
 <ul>
-<li>Java development kit (we used JDK1.5SE but JDK1.6 will work too,
-and maybe even jikes).</li>
+<li>Java development kit (JDK1.6 is the recommended platform for developing with Jalview, although JDK1.7 seems to work too!).</li>
 <li>Ant (we think 1.5.4 is quite sufficient to use the simple build
-file supplied).</li>
+file supplied, and it seems to work with later versions e.g. 1.7).</li>
 </ul>
 With any luck, after setting your paths and JAVA_HOME correctly, you
 just need to change to the Jalview directory and run ant (this works