diff --git a/examples/doc.go b/examples/doc.go
new file mode 100644
index 0000000..15b9749
--- /dev/null
+++ b/examples/doc.go
@@ -0,0 +1,2 @@
+// Package examples provides examples of avo usage.
+package examples
diff --git a/tests/README.md b/tests/README.md
new file mode 100644
index 0000000..a22fb10
--- /dev/null
+++ b/tests/README.md
@@ -0,0 +1,3 @@
+# tests
+
+System-level testing of `avo`.
diff --git a/tests/doc.go b/tests/doc.go
new file mode 100644
index 0000000..f6ca2d7
--- /dev/null
+++ b/tests/doc.go
@@ -0,0 +1,2 @@
+// Package tests contains avo integration tests.
+package tests