diff --git a/src/ocean/OceanAssets.ts b/src/ocean/OceanAssets.ts
index 477ab0c..e9e0a42 100644
--- a/src/ocean/OceanAssets.ts
+++ b/src/ocean/OceanAssets.ts
@@ -384,6 +384,13 @@ export class OceanAssets extends Instantiable {
         return txReceipt
     }
 
+    /**
+     * Edit Metadata for a DDO.
+     * @param  {did} string DID.
+     * @param  {newMetadata}  EditableMetaData Metadata fields & new values.
+     * @param  {Account} account Ethereum account of owner to sign and prove the ownership.
+     * @return {Promise<string>}
+     */
     public async editMetadata(
         did: string,
         newMetadata: EditableMetaData,
@@ -407,6 +414,12 @@ export class OceanAssets extends Instantiable {
         return result
     }
 
+    /**
+     * Retire a DDO (Delete)
+     * @param  {did} string DID.
+     * @param  {Account} account Ethereum account of owner to sign and prove the ownership.
+     * @return {Promise<string>}
+     */
     public async retire(did: string, account: Account): Promise<string> {
         const oldDdo = await this.ocean.aquarius.retrieveDDO(did)
         // get a signature