diff --git a/docs/README.md b/docs/README.md
index 09a3ed8..c5bd67e 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -71,6 +71,8 @@ HomeSpan includes the following documentation:
 * [HomeSpan Projects](https://github.com/topics/homespan) - real-world applications of the HomeSpan Library
 * [HomeSpan FAQ](https://github.com/HomeSpan/HomeSpan/blob/master/docs/FAQ.md) - answers to frequently-asked questions
 
+Note that all documentation is version-controlled and tied to each branch.  The *master* branch generally points to the latest release.  The *dev* branch, when available, will contain code under active development.
+
 # External Resources
 
 In addition to HomeSpan resources, developers who are new to HomeKit programming should download Apple's [HomeKit Accessory Protocol Specification, Release R2 (HAP-R2)](https://developer.apple.com/support/homekit-accessory-protocol/). The download is free, but Apple requires you to register your Apple ID for access to the document.