diff --git a/cmd/mailfull/main.go b/cmd/mailfull/main.go
index 86c3d9a..83154d7 100644
--- a/cmd/mailfull/main.go
+++ b/cmd/mailfull/main.go
@@ -1,3 +1,6 @@
+/*
+Command mailfull is a CLI application using the mailfull package.
+*/
 package main
 
 import (
diff --git a/mailfull.go b/mailfull.go
new file mode 100644
index 0000000..86cb38a
--- /dev/null
+++ b/mailfull.go
@@ -0,0 +1,4 @@
+/*
+Package mailfull contains operations for a mailfull repository.
+*/
+package mailfull