diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..f9f4061
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,9 @@
+# CHANGELOG
+
+## v0.2.0
+
+* Add `provider` and `ttl` options to enable customization.
+
+## v0.1.0
+
+* Initial release.
diff --git a/README.md b/README.md
index baf5459..1fd30b8 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,11 @@ This is an unofficial [Terraform][terraform] module which creates
 [Cloudflare DNS][cloudflare] records to setup a domain with
 [FastMail][fastmail].
 
+Since this is not an official provider and does not have
+guarantees about backwards compatibility, it is recommended that
+you fork this repository or copy the code into your own repository
+after reviewing the code.
+
 ## Example Usage
 
 In your Terraform file: