diff --git a/cmd/xmpp-check/doc.go b/cmd/xmpp-check/doc.go
new file mode 100644
index 0000000..ba5b3e4
--- /dev/null
+++ b/cmd/xmpp-check/doc.go
@@ -0,0 +1,6 @@
+/*
+
+xmpp-check is a command-line to check if you XMPP TLS certificate is valid and warn you before it expires.
+
+*/
+package main