diff --git a/server/src/main/java/org/opensearch/index/mapper/DerivedFieldSupportedTypes.java b/server/src/main/java/org/opensearch/index/mapper/DerivedFieldSupportedTypes.java
index b39de5788d98a..10b5c4a0f7157 100644
--- a/server/src/main/java/org/opensearch/index/mapper/DerivedFieldSupportedTypes.java
+++ b/server/src/main/java/org/opensearch/index/mapper/DerivedFieldSupportedTypes.java
@@ -31,6 +31,11 @@
 import java.util.function.Function;
 import java.util.stream.Collectors;
 
+/**
+ * Contains logic to get the FieldMapper for a given type of derived field. Also, for a given type of derived field,
+ * it is used to create an IndexableField for the provided type and object. It is useful when indexing into
+ * lucene MemoryIndex in {@link org.opensearch.index.query.DerivedFieldQuery}.
+ */
 enum DerivedFieldSupportedTypes {
 
     BOOLEAN("boolean", (name, context) -> {
diff --git a/server/src/main/java/org/opensearch/index/mapper/DerivedFieldType.java b/server/src/main/java/org/opensearch/index/mapper/DerivedFieldType.java
index 5fd18271aaf40..abdca7879cc94 100644
--- a/server/src/main/java/org/opensearch/index/mapper/DerivedFieldType.java
+++ b/server/src/main/java/org/opensearch/index/mapper/DerivedFieldType.java
@@ -33,7 +33,7 @@
 
 /**
  * MappedFieldType for Derived Fields
- * Contains logic to different type of queries on derived fields
+ * Contains logic to execute different type of queries on a derived field of given type.
  * @opensearch.internal
  */
 public final class DerivedFieldType extends MappedFieldType {