diff --git a/.gitbook.yaml b/.gitbook.yaml
index 781399e..1397eaa 100644
--- a/.gitbook.yaml
+++ b/.gitbook.yaml
@@ -1,3 +1,4 @@
 root: ./docs/
 structure:
-  readme: README.md
+  readme: ./../README.md
+  summary: ./SUMMARY.md
diff --git a/docs/SUMMARY.md b/docs/SUMMARY.md
new file mode 100644
index 0000000..756e990
--- /dev/null
+++ b/docs/SUMMARY.md
@@ -0,0 +1,11 @@
+# Summary
+
+* [Introduction](introduction.md)
+* [Requirements](requirements.md)
+* [Installation](installation.md)
+* [Configuration](configuration.md)
+
+## Advanced usage
+
+* [Commands](commands.md)
+* [Prune old emails](pruning.md)
diff --git a/docs/installation-and-configuration.md b/docs/configuration.md
similarity index 50%
rename from docs/installation-and-configuration.md
rename to docs/configuration.md
index 7abd4e4..a025a48 100644
--- a/docs/installation-and-configuration.md
+++ b/docs/configuration.md
@@ -1,3 +1 @@
-# Installation
-
 # Configuration
diff --git a/docs/installation.md b/docs/installation.md
new file mode 100644
index 0000000..25267fe
--- /dev/null
+++ b/docs/installation.md
@@ -0,0 +1 @@
+# Installation
diff --git a/docs/pruning.md b/docs/pruning.md
new file mode 100644
index 0000000..e69de29
diff --git a/docs/requirements.md b/docs/requirements.md
new file mode 100644
index 0000000..1fa9034
--- /dev/null
+++ b/docs/requirements.md
@@ -0,0 +1 @@
+# Requirements