(DOCSP-38254): Added meta description to Query for Null or Missing Fields page. (#7126)

Author: corryroot

source/tutorial/query-for-null-fields.txt

@@ -14,6 +14,7 @@ Query for Null or Missing Fields
    :values: shell, csharp, go, java, javascript/typescript, php, python, ruby, scala, kotlin
 
 .. meta:: 
+   :description:  Learn how to query for null or missing fields in MongoDB using various methods including the MongoDB Atlas UI and MongoDB Compass. Understand different query operators' treatment of null values.
    :keywords: java sync, java async, reactive streams, motor, code example, node.js, compass, kotlin coroutine
 
 .. contents:: On this page