Improve the Monitor Query package description (Azure#23863)

Author: scottaddie

sdk/monitor/azure-monitor-query/pom.xml

@@ -14,7 +14,7 @@
   <version>1.0.0-beta.4</version> <!-- {x-version-update;com.azure:azure-monitor-query;current} -->
 
   <name>Microsoft Azure SDK for Azure Monitor Logs and Metrics Query</name>
-  <description>This package contains the Microsoft Azure SDK for Azure Monitor Logs and Metrics Query.</description>
+  <description>This package contains the Microsoft Azure SDK for querying Azure Monitor's Logs and Metrics data sources.</description>
 
   <distributionManagement>
     <site>