diff --git a/docs/classes/Aquarius.md b/docs/classes/Aquarius.md
index 6275cd2f9..b2d860420 100644
--- a/docs/classes/Aquarius.md
+++ b/docs/classes/Aquarius.md
@@ -123,7 +123,7 @@ ___
 
 ### validate
 
-▸ **validate**(`ddo`, `signal?`): `Promise`<[`ValidateMetadata`](../interfaces/ValidateMetadata.md)\>
+▸ **validate**(`ddo`, `signal?`,`signer?`,`providerUrl?`): `Promise`<[`ValidateMetadata`](../interfaces/ValidateMetadata.md)\>
 
 Validate DDO content
 
@@ -132,6 +132,8 @@ Validate DDO content
 | Name | Type | Description |
 | :------ | :------ | :------ |
 | `ddo` | [`DDO`](../interfaces/DDO.md) | DID Descriptor Object content. |
+| `signer?` | `Signer` | publisher account (for signature). |
+| `providerUrl?` | `string` | Provider url (to get nonce) |
 | `signal?` | `AbortSignal` | abort signal |
 
 #### Returns
diff --git a/src/services/Aquarius.ts b/src/services/Aquarius.ts
index 0fec13ebc..31a2062e9 100644
--- a/src/services/Aquarius.ts
+++ b/src/services/Aquarius.ts
@@ -98,6 +98,8 @@ export class Aquarius {
   /**
    * Validate DDO content
    * @param {DDO} ddo DID Descriptor Object content.
+   * @param {signer} ddo publisher account.
+   * @param {providerUrl} provider url used to get the nonce.
    * @param {AbortSignal} signal abort signal
    * @return {Promise<ValidateMetadata>}.
    */
@@ -116,6 +118,7 @@ export class Aquarius {
     const path = this.aquariusURL + '/api/aquarius/assets/ddo/validate'
 
     // Old aquarius API and node API (before publisherAddress, nonce and signature verification)
+    // Older Providers (before updated Ocean Nodes)
     const validateRequestLegacy = async function (): Promise<Response> {
       try {
         response = await fetch(path, {