[no bug] sync with older properties file
diff --git a/bundles/org.eclipse.wst.xsd.ui/plugin.properties b/bundles/org.eclipse.wst.xsd.ui/plugin.properties
index 21af0ae..bb3d093 100644
--- a/bundles/org.eclipse.wst.xsd.ui/plugin.properties
+++ b/bundles/org.eclipse.wst.xsd.ui/plugin.properties
@@ -546,6 +546,8 @@
_UI_GENERATE_DDL_TITLE = Generate DDL
_UI_GENERATE_DDL_DESCRIPTION = Generate DDL from the selected XML schema file.
+_UI_XML_SCHEMA_VALIDATOR = XML Schema Validator
+
! Generation from the Schema model - pre-condition check
_UI_DIALOG_TITLE_GRAMMAR_ERROR = Invalid Grammar
_UI_DIALOG_INFO_SCHEMA_INVALID = The schema file contains errors. Open it in the XML Schema editor and validate it for details.