diff --git a/leader/doc.go b/leader/doc.go
index a87062f5..813433bf 100644
--- a/leader/doc.go
+++ b/leader/doc.go
@@ -14,8 +14,8 @@ Usage
 
 The package leader exports configuration in this format:
 
-leader:
-  etcdName: default
+	leader:
+	  etcdName: default
 
 To use package leader with package core:
 
diff --git a/leader/leaderetcd/etcd.go b/leader/leaderetcd/etcd.go
index b7c58116..4d5ff2e3 100644
--- a/leader/leaderetcd/etcd.go
+++ b/leader/leaderetcd/etcd.go
@@ -1,3 +1,4 @@
+// Package leaderetcd provides a etcd driver for package leader
 package leaderetcd
 
 import (
diff --git a/leader/leaderredis/redis.go b/leader/leaderredis/redis.go
index 3adb8b53..1d1a2d19 100644
--- a/leader/leaderredis/redis.go
+++ b/leader/leaderredis/redis.go
@@ -1,3 +1,4 @@
+// Package leaderredis provides a redis driver for package leader
 package leaderredis
 
 import (