diff --git a/pkg/app/app.go b/pkg/app/app.go
index 1de26ce..d5a909a 100644
--- a/pkg/app/app.go
+++ b/pkg/app/app.go
@@ -1,3 +1,4 @@
+// Package app manages main application server.
 package app
 
 import (
diff --git a/pkg/media/media.go b/pkg/media/media.go
new file mode 100644
index 0000000..6fa6725
--- /dev/null
+++ b/pkg/media/media.go
@@ -0,0 +1,2 @@
+// Package media manages video library functionality.
+package media