diff --git a/src/lib.rs b/src/lib.rs
index c44c9ae1..cc51b2e0 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,3 +1,8 @@
+//! See the different modules for documentation on their usage.
+//!
+//! The [backup](backup/index.html) module contains some detailed information
+//! on the inner workings of the backup server regarding data storage.
+
 pub mod task;
 
 #[macro_use]