Update version info

tiddlyfox/extension/install.rdf

@@ -6,8 +6,8 @@
   
     <em:id>tiddlyfox@tiddlywiki.org</em:id>
     <em:name>TiddlyFox extension for Firefox</em:name>
-    <em:version>1.0alpha2</em:version>
-    <em:description>A Firefox extension to enable TiddlyWiki to save changes directly to the file system</em:description>
+    <em:version>1.0alpha3</em:version>
+    <em:description>A Firefox extension to enable TiddlyWiki to save changes directly to the file system.</em:description>
     <em:creator>Jeremy Ruston</em:creator>
     <em:homepageURL>https://five.tiddlywiki.com/tiddlyfox</em:homepageURL>
     <em:iconURL>chrome://tiddlyfox/content/tiddlyfox_32x32.png</em:iconURL>