diff --git a/DOCS.md b/DOCS.md
index ee96efa..9ff14b0 100644
--- a/DOCS.md
+++ b/DOCS.md
@@ -66,7 +66,7 @@ Emits when a Powered UP Hub device is found.
 
 | Param | Type |
 | --- | --- |
-| hub | [<code>WeDo2SmartHub</code>](#WeDo2SmartHub) \| [<code>BoostMoveHub</code>](#BoostMoveHub) \| [<code>PUPHub</code>](#PUPHub) \| [<code>PUPRemote</code>](#PUPRemote) | 
+| hub | [<code>WeDo2SmartHub</code>](#WeDo2SmartHub) \| [<code>BoostMoveHub</code>](#BoostMoveHub) \| [<code>PUPHub</code>](#PUPHub) \| [<code>PUPRemote</code>](#PUPRemote) \| [<code>DuploTrainHub</code>](#DuploTrainHub) | 
 
 <a name="WeDo2SmartHub"></a>
 
diff --git a/README.md b/README.md
index 4836dc1..1d5f9c1 100644
--- a/README.md
+++ b/README.md
@@ -145,7 +145,7 @@ Emits when a Powered UP Hub device is found.
 
 | Param | Type |
 | --- | --- |
-| hub | [<code>WeDo2SmartHub</code>](#WeDo2SmartHub) \| [<code>BoostMoveHub</code>](#BoostMoveHub) \| [<code>PUPHub</code>](#PUPHub) \| [<code>PUPRemote</code>](#PUPRemote) | 
+| hub | [<code>WeDo2SmartHub</code>](#WeDo2SmartHub) \| [<code>BoostMoveHub</code>](#BoostMoveHub) \| [<code>PUPHub</code>](#PUPHub) \| [<code>PUPRemote</code>](#PUPRemote) \| [<code>DuploTrainHub</code>](#DuploTrainHub) | 
 
 <a name="WeDo2SmartHub"></a>
 
diff --git a/poweredup.ts b/poweredup.ts
index 854b9be..d9bcba4 100644
--- a/poweredup.ts
+++ b/poweredup.ts
@@ -95,7 +95,7 @@ export class PoweredUP extends EventEmitter {
             /**
              * Emits when a Powered UP Hub device is found.
              * @event PoweredUP#discover
-             * @param {WeDo2SmartHub | BoostMoveHub | PUPHub | PUPRemote} hub
+             * @param {WeDo2SmartHub | BoostMoveHub | PUPHub | PUPRemote | DuploTrainHub} hub
              */
             this.emit("discover", hub);