Update module.xml

Author: nikitaeverywhere

module.xml

@@ -3,7 +3,8 @@
   <Document name="classexplorer.ZPM">
     <Module>
       <Name>classexplorer</Name>
-      <Version>1.21.3</Version>
+      <Version>1.21.4</Version>
+      <Description>UML Class Diagram Builder for InterSystems Data Platforms</Description>
       <Packaging>module</Packaging>
       <SourcesRoot>build-for-zpm</SourcesRoot>
       <Resource Name="ClassExplorer.PKG"/>
@@ -19,4 +20,4 @@
        />
     </Module>
   </Document>
-</Export>
+</Export>