diff --git a/spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/MongoOperations.java b/spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/MongoOperations.java
index 04aa510699..b77eed317a 100644
--- a/spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/MongoOperations.java
+++ b/spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/MongoOperations.java
@@ -1303,9 +1303,10 @@ default long exactCount(Query query, String collectionName) {
/**
* Insert the object into the collection for the entity type of the object to save.
* The object is converted to the MongoDB native representation using an instance of {@see MongoConverter}.
- * If your object has an "Id' property, it will be set with the generated Id from MongoDB. If your Id property is a
- * String then MongoDB ObjectId will be used to populate that string. Otherwise, the conversion from ObjectId to your
- * property type will be handled by Spring's BeanWrapper class that leverages Type Conversion API. See
+ * If your object has an {@literal Id} property which holds a {@literal null} value, it will be set with the generated
+ * Id from MongoDB. If your Id property is a String then MongoDB ObjectId will be used to populate that string.
+ * Otherwise, the conversion from ObjectId to your property type will be handled by Spring's BeanWrapper class that
+ * leverages Type Conversion API. See
* Spring's
* Type Conversion" for more details.
* Insert is used to initially store the object into the database. To update an existing object use the save method.
diff --git a/spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/ReactiveMongoOperations.java b/spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/ReactiveMongoOperations.java
index f031a9fa50..1efdef09d9 100644
--- a/spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/ReactiveMongoOperations.java
+++ b/spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/ReactiveMongoOperations.java
@@ -1110,9 +1110,10 @@ default Mono exactCount(Query query, String collectionName) {
*
* The object is converted to the MongoDB native representation using an instance of {@see MongoConverter}.
*
- * If your object has an "Id' property, it will be set with the generated Id from MongoDB. If your Id property is a
- * String then MongoDB ObjectId will be used to populate that string. Otherwise, the conversion from ObjectId to your
- * property type will be handled by Spring's BeanWrapper class that leverages Type Conversion API. See
+ * If your object has an {@literal Id} property which holds a {@literal null} value, it will be set with the generated
+ * Id from MongoDB. If your Id property is a String then MongoDB ObjectId will be used to populate that string.
+ * Otherwise, the conversion from ObjectId to your property type will be handled by Spring's BeanWrapper class that
+ * leverages Type Conversion API. See
* Spring's
* Type Conversion" for more details.
*