diff --git a/filestore/filestore.go b/filestore/filestore.go
index a3a80b6..e524724 100644
--- a/filestore/filestore.go
+++ b/filestore/filestore.go
@@ -1,3 +1,5 @@
+// Package filestore provide a storage backend based on the local file system.
+//
 // FileStore is a storage backend used as a tusd.DataStore in tusd.NewHandler.
 // It stores the uploads in a directory specified in two different files: The
 // `[id].info` files are used to store the fileinfo in JSON format. The
diff --git a/handler.go b/handler.go
index 2a8a9ba..aafb1e2 100644
--- a/handler.go
+++ b/handler.go
@@ -1,3 +1,4 @@
+// Package tusd provides ways to accept tusd calls using HTTP.
 package tusd
 
 import (
diff --git a/limitedstore/limitedstore.go b/limitedstore/limitedstore.go
index c77ad5f..7b6da8c 100644
--- a/limitedstore/limitedstore.go
+++ b/limitedstore/limitedstore.go
@@ -1,4 +1,6 @@
-// Package limitedstore implements a simple wrapper around existing
+// Package limitedstore provides a storage with a limited space.
+//
+// This goal is achieved by using a simple wrapper around existing
 // datastores (tusd.DataStore) while limiting the used storage size.
 // It will start terminating existing uploads if not enough space is left in
 // order to create a new upload.