diff --git a/docs/addons/datadog.md b/docs/addons/datadog.md
index a5dc705d6e..6159a31b4c 100644
--- a/docs/addons/datadog.md
+++ b/docs/addons/datadog.md
@@ -3,7 +3,7 @@ id: datadog
 title: Datadog
 ---
 
-> This feature was introduced in \_Unleash v4.0.x.
+> This feature was introduced in _Unleash v4.0.0_.
 
 The Datadog addon allows Unleash to post Updates to Datadog when a feature toggle is updated. To set up this addon, you need to set up a webhook connector for your channel. You can follow [Submitting events to Datadog](https://docs.datadoghq.com/api/latest/events/#post-an-event) on how to do that.
 
diff --git a/docs/addons/teams.md b/docs/addons/teams.md
index 6a75668ef9..7c4b0176e1 100644
--- a/docs/addons/teams.md
+++ b/docs/addons/teams.md
@@ -3,7 +3,7 @@ id: teams
 title: Microsoft Teams
 ---
 
-> This feature was introduced in \_Unleash v4.0.x.
+> This feature was introduced in _Unleash v4.0.0_.
 
 The MicrosoftTeams addon allows Unleash to post Updates when a feature toggle is updated. To set up this addon, you need to set up a webhook connector for your channel. You can follow [Creating an Incoming Webhook for a channel](https://docs.microsoft.com/en-us/microsoftteams/platform/webhooks-and-connectors/how-to/add-incoming-webhook) on how to do that.
 
diff --git a/docs/user_guide/whats-new-v4.md b/docs/user_guide/whats-new-v4.md
index cea49787cb..f52ac0e9de 100644
--- a/docs/user_guide/whats-new-v4.md
+++ b/docs/user_guide/whats-new-v4.md
@@ -27,7 +27,7 @@ With Role-Based Access Control you can now assign groups to users in order to co
 Addons make it easy to integrate Unleash with other systems. In version 4 we bring two new integrations to Unleash:
 
 - [Microsoft Teams](../addons/teams)
-- [Datadog](../datadog)
+- [Datadog](../addons/datadog)
 
 ### Improved UX
 
diff --git a/src/lib/routes/client-api/index.js b/src/lib/routes/client-api/index.js
index 0a28350148..137bed9188 100644
--- a/src/lib/routes/client-api/index.js
+++ b/src/lib/routes/client-api/index.js
@@ -1,9 +1,9 @@
 'use strict';
 
 const Controller = require('../controller');
-const FeatureController = require('./feature.js');
-const MetricsController = require('./metrics.js');
-const RegisterController = require('./register.js');
+const FeatureController = require('./feature');
+const MetricsController = require('./metrics');
+const RegisterController = require('./register');
 const apiDef = require('./api-def.json');
 
 class ClientApi extends Controller {
diff --git a/src/lib/services/client-metrics/index.js b/src/lib/services/client-metrics/index.js
index 0be3158a87..64bde40843 100644
--- a/src/lib/services/client-metrics/index.js
+++ b/src/lib/services/client-metrics/index.js
@@ -2,8 +2,8 @@
 
 'use strict';
 
-const Projection = require('./projection.js');
-const TTLList = require('./ttl-list.js');
+const Projection = require('./projection');
+const TTLList = require('./ttl-list');
 const appSchema = require('./metrics-schema');
 const { clientMetricsSchema } = require('./client-metrics-schema');
 const { clientRegisterSchema } = require('./register-schema');