diff --git a/doc/source/index.rst b/doc/source/index.rst
index 7457a9c..3a85107 100644
--- a/doc/source/index.rst
+++ b/doc/source/index.rst
@@ -13,3 +13,4 @@ Open Telekom Cloud Service Documentation
    services
    developer/index
    additional/index
+   internal/index
diff --git a/doc/source/internal/helpcenter_training/difference_gitea_github.rst b/doc/source/internal/helpcenter_training/difference_gitea_github.rst
new file mode 100644
index 0000000..f2a8f07
--- /dev/null
+++ b/doc/source/internal/helpcenter_training/difference_gitea_github.rst
@@ -0,0 +1,3 @@
+=========================
+Difference Gitea / Github
+=========================
\ No newline at end of file
diff --git a/doc/source/internal/helpcenter_training/faq/index.rst b/doc/source/internal/helpcenter_training/faq/index.rst
new file mode 100644
index 0000000..9bda283
--- /dev/null
+++ b/doc/source/internal/helpcenter_training/faq/index.rst
@@ -0,0 +1,7 @@
+==========================
+Frequently Asked Questions
+==========================
+
+.. toctree::
+   :maxdepth: 1
+
diff --git a/doc/source/internal/helpcenter_training/index.rst b/doc/source/internal/helpcenter_training/index.rst
new file mode 100644
index 0000000..127139f
--- /dev/null
+++ b/doc/source/internal/helpcenter_training/index.rst
@@ -0,0 +1,11 @@
+===================
+Helpcenter Training
+===================
+
+.. toctree::
+   :maxdepth: 1
+
+   introduction
+   workflow
+   difference_gitea_github
+   faq/index
\ No newline at end of file
diff --git a/doc/source/internal/helpcenter_training/introduction.rst b/doc/source/internal/helpcenter_training/introduction.rst
new file mode 100644
index 0000000..8350101
--- /dev/null
+++ b/doc/source/internal/helpcenter_training/introduction.rst
@@ -0,0 +1,3 @@
+============
+Introduction
+============
\ No newline at end of file
diff --git a/doc/source/internal/helpcenter_training/workflow.rst b/doc/source/internal/helpcenter_training/workflow.rst
new file mode 100644
index 0000000..332d1c0
--- /dev/null
+++ b/doc/source/internal/helpcenter_training/workflow.rst
@@ -0,0 +1,3 @@
+========
+Workflow
+========
\ No newline at end of file
diff --git a/doc/source/internal/index.rst b/doc/source/internal/index.rst
new file mode 100644
index 0000000..b4cd379
--- /dev/null
+++ b/doc/source/internal/index.rst
@@ -0,0 +1,8 @@
+======================
+Internal Documentation
+======================
+
+.. toctree::
+   :maxdepth: 1
+
+   helpcenter_training/index