update version number for 3.1

docs/org.eclipse.wst.xmleditor.doc.user/META-INF/MANIFEST.MF

diff --git a/docs/org.eclipse.wst.xmleditor.doc.user/META-INF/MANIFEST.MF b/docs/org.eclipse.wst.xmleditor.doc.user/META-INF/MANIFEST.MF
index 61bc49f..5e4eff3 100644
--- a/docs/org.eclipse.wst.xmleditor.doc.user/META-INF/MANIFEST.MF
+++ b/docs/org.eclipse.wst.xmleditor.doc.user/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@
 Bundle-ManifestVersion: 2
 Bundle-Name: %pluginName
 Bundle-SymbolicName: org.eclipse.wst.xmleditor.doc.user; singleton:=true
-Bundle-Version: 1.0.400.qualifier
+Bundle-Version: 1.0.500.qualifier
 Bundle-Vendor: %pluginProvider
 Bundle-Localization: plugin
 Bundle-RequiredExecutionEnvironment: J2SE-1.4