diff --git a/persistence-modules/java-jpa-3/README.md b/persistence-modules/java-jpa-3/README.md
index 202c97a830..aa33644b17 100644
--- a/persistence-modules/java-jpa-3/README.md
+++ b/persistence-modules/java-jpa-3/README.md
@@ -13,5 +13,4 @@ This module contains articles about the Java Persistence API (JPA) in Java.
 - [Returning an Auto-Generated Id with JPA](https://www.baeldung.com/jpa-get-auto-generated-id)
 - [How to Return Multiple Entities In JPA Query](https://www.baeldung.com/jpa-return-multiple-entities)
 - [Defining Unique Constraints in JPA](https://www.baeldung.com/jpa-unique-constraints)
-- [How to Check Field Existence in MongoDB?](https://www.baeldung.com/mongodb-check-field-exists)
 - [Connecting to a Specific Schema in JDBC](https://www.baeldung.com/jdbc-connect-to-schema)
diff --git a/persistence-modules/java-mongodb/README.md b/persistence-modules/java-mongodb/README.md
index f632e7c662..34acd60c57 100644
--- a/persistence-modules/java-mongodb/README.md
+++ b/persistence-modules/java-mongodb/README.md
@@ -11,3 +11,4 @@ This module contains articles about MongoDB in Java.
 - [Introduction to Morphia – Java ODM for MongoDB](https://www.baeldung.com/mongodb-morphia)
 - [MongoDB Aggregations Using Java](https://www.baeldung.com/java-mongodb-aggregations)
 - [BSON to JSON Document Conversion in Java](https://www.baeldung.com/java-convert-bson-to-json)
+- [How to Check Field Existence in MongoDB?](https://www.baeldung.com/mongodb-check-field-exists)
diff --git a/persistence-modules/java-mongodb/src/test/java/com/baeldung/existence.field/FieldExistenceLiveTest.java b/persistence-modules/java-mongodb/src/test/java/com/baeldung/existence/field/FieldExistenceLiveTest.java
similarity index 100%
rename from persistence-modules/java-mongodb/src/test/java/com/baeldung/existence.field/FieldExistenceLiveTest.java
rename to persistence-modules/java-mongodb/src/test/java/com/baeldung/existence/field/FieldExistenceLiveTest.java