diff --git a/aws/doc.go b/aws/doc.go
new file mode 100644
index 00000000..747e685c
--- /dev/null
+++ b/aws/doc.go
@@ -0,0 +1,2 @@
+// Package aws provides functionality for accessing the AWS API.
+package aws
diff --git a/cluster/doc.go b/cluster/doc.go
new file mode 100644
index 00000000..b68e8358
--- /dev/null
+++ b/cluster/doc.go
@@ -0,0 +1,2 @@
+// Package cluster supports intracluster control messaging.
+package cluster