update minimum java version 1.5 required

diff --git a/help/html/memory.html b/help/html/memory.html
index b6cca1b..857c29a 100755 (executable)
--- a/help/html/memory.html
+++ b/help/html/memory.html
@@ -47,7 +47,7 @@ The way you increase the memory settings for the JVM depends on which installati
       need to <a href="jalviewjnlp.html">make your own jnlp file</a> and add the following parameter into the
       &lt;resources&gt; element.
     <pre>
-&lt;j2se version="1.4+" initial-heap-size="500M" max-heap-size="1000M"/&gt;
+&lt;j2se version="1.5+" initial-heap-size="500M" max-heap-size="1000M"/&gt;
 </pre>
     Save the jnlp file somewhere and then - if you start Jalview through your
     web browser, point your browser at the file's url, othewise simply run javaws