diff --git a/docs/composer/plugin/d4d/index.md b/docs/composer/plugin/d4d/index.md
index 0ea12331ef96015c9f16fe088ac49bee442e07ef..f5de36130c474b285e3e333cb1d3c3075bae157f 100644
--- a/docs/composer/plugin/d4d/index.md
+++ b/docs/composer/plugin/d4d/index.md
@@ -315,6 +315,36 @@ This will add another environment variable to the php container, define a second
 
 Please remember to update docker compose with `ahoy update` and then recreate your containers with `ahoy up` after changing these settings.
 
+### Adding Invoice Ninja
+
+To enable [Invoice Ninja](https://invoiceninja.com/), you can add this to `lakedrops.yml`:
+
+```in
+docker4drupal:
+invoiceninja:
+enable: true
+api_key: 'base64:THE KEY FROM YOUR IN INSTANCE'
+admin_name: admin@example.com
+admin_pass: INITIAL ADMIN PASSWORD
+mail:
+host: smtp.example.com
+port: 465
+user: USERNAME
+pass: PASSWORD
+security: ssl
+fromname: 'YOUR NAME'
+```
+
+After executing `a d4d update`, you will find the following Docker container in your console:
+
+```in
+✔ Container tierpension-haas-in-db-1        Started
+✔ Container tierpension-haas-in-app-1       Started
+✔ Container tierpension-haas-in-web-1       Started
+```
+
+You now can access Invoice Ninja by URL: `http(s)://invoice-<your-domain>`.
+
 ### More configuration tweaks
 
 #### Customizing the apache config
diff --git a/docs/dev_tools/test.md b/docs/dev_tools/test.md
index 67b46d6657e6fd0899ee8456fc29db14f9eb4b41..65b093056128f4208130922f2f067581e1b4e52f 100644
--- a/docs/dev_tools/test.md
+++ b/docs/dev_tools/test.md
@@ -275,9 +275,21 @@ To take advantage of the Drupal optimized pipelines we make heavy use of the [Gi
 
 Here you find more information of using [ES Lint in a pipeline](https://project.pages.drupalcode.org/gitlab_templates/jobs/eslint/).
 
+### CSpell
 
+[CSpell](https://cspell.org/) checks the orthography of your code and comments, which increases your clean code experience.
 
-### CSpell
+If you want to execute `Cspell` for a module, just do the following:
+
+```cspell
+a test cspellmodule
+```
+
+If you want to analyse a custom module, just do the following:
+
+```cspell
+a test cspellmodule ../custom/<custom_module>
+```
 
 #### Using CSpell in a GitLab pipeline
 
@@ -286,8 +298,6 @@ To take advantage of the Drupal optimized pipelines we make heavy use of the [Gi
 
 Here you find more information of using [CSpell in a pipeline](https://project.pages.drupalcode.org/gitlab_templates/jobs/cspell/).
 
-
-
 ## Unit/Kernel/Functional Testing
 
 To execute the tests, you can use a single command:
@@ -344,7 +354,6 @@ To take advantage of the Drupal optimized pipelines we make heavy use of the [Gi
 Here you find more information of using [PHPUnit in a pipeline](https://project.pages.drupalcode.org/gitlab_templates/jobs/phpunit/).
 
 
-
 ### Code Coverage
 
 First, activate the coverage option:
diff --git a/docs/gitlab/ansible/index.md b/docs/gitlab/ansible/index.md
deleted file mode 100644
index e11db3db3d7248de79e1a96a5042dceebe388596..0000000000000000000000000000000000000000
--- a/docs/gitlab/ansible/index.md
+++ /dev/null
@@ -1,12 +0,0 @@
----
-title: GitLab Ansible
-repo: https://gitlab.lakedrops.com/gitlab-ci-cd/ansible
-issues: https://gitlab.lakedrops.com/gitlab-ci-cd/ansible/-/issues
-tags:
-- gitlab
-- ci/cd
-- ansible
----
-# Ansible
-
-Describe the templates for Ansible tasks in GitLab CI.
diff --git a/docs/gitlab/composer/index.md b/docs/gitlab/composer/index.md
deleted file mode 100644
index dc22fbdbdf8e4f9377915e3ddaeeb1e65aeee84c..0000000000000000000000000000000000000000
--- a/docs/gitlab/composer/index.md
+++ /dev/null
@@ -1,12 +0,0 @@
----
-title: GitLab Composer
-repo: https://gitlab.lakedrops.com/gitlab-ci-cd/composer
-issues: https://gitlab.lakedrops.com/gitlab-ci-cd/composer/-/issues
-tags:
-- gitlab
-- ci/cd
-- composer
----
-# Composer Packages
-
-Template for creating and updating composer packages in Gitlab.
diff --git a/mkdocs.yml b/mkdocs.yml
index 451f438a0f488cc669c300c22e5a0e1e45e8712d..9a7df46fa2cc99d8abad55df7e5757ace7d9b5e4 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -265,8 +265,6 @@ nav:
           - Zammad: ansible/roles/zammad/index.md
   - GitLab:
       - gitlab/index.md
-      - Ansible: gitlab/ansible/index.md
-      - Composer: gitlab/composer/index.md
       - Drupal: gitlab/drupal/index.md
   - DevOps:
       - ALM: