diff --git a/waku/waku_api/rest/lightpush/handlers.nim b/waku/waku_api/rest/lightpush/handlers.nim
index c7da0ebe3..222267cfb 100644
--- a/waku/waku_api/rest/lightpush/handlers.nim
+++ b/waku/waku_api/rest/lightpush/handlers.nim
@@ -75,14 +75,14 @@ proc installLightPushRequestHandler*(
     let req: PushRequest = decodedBody.value()
     
     let msg = req.message.toWakuMessage().valueOr:
-      return RestApiResponse.badRequest("Invalid message: {msg.error}")
+      return RestApiResponse.badRequest("Invalid message: " & $error)
 
     let peer = node.peerManager.selectPeer(WakuLightPushCodec).valueOr:
       let handler = discHandler.valueOr:
         return NoPeerNoDiscoError
 
       let peerOp = (await handler()).valueOr:
-        return RestApiResponse.internalServerError($error)
+        return RestApiResponse.internalServerError("No value in peerOp: " & $error)
 
       peerOp.valueOr:
         return NoPeerNoneFoundError
diff --git a/waku/waku_api/rest/lightpush/openapi.yaml b/waku/waku_api/rest/lightpush/openapi.yaml
index 2327936dd..e9e8162b7 100644
--- a/waku/waku_api/rest/lightpush/openapi.yaml
+++ b/waku/waku_api/rest/lightpush/openapi.yaml
@@ -76,7 +76,7 @@ components:
     PushRequest:
       type: object
       properties:
-        pusbsubTopic:
+        pubsubTopic:
           $ref: '#/components/schemas/PubsubTopic'
         message:
           $ref: '#/components/schemas/WakuMessage'