diff --git a/README.md b/README.md
index 28f53b1a2c4e21320e34cdd3cd47610a816a91a0..92f03d294328533c9d2f0a66c77f776415e8b0bc 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ The documents in this repository comprise a set of digital security checklists f
 
 **These documents are designed for use in the U.S. domestic context and focused on common vulnerabilities. Use in other countries or to defend against highly aggressive and/or resourced attackers is not recommended without further threat analysis and tuning of content. [Contact us](https://iecology.org/contact) if you need support using these checklists in that way.**
 
-**This document is version 2.0 and was last updated in September 2017.**
+**This document set is version 2.0 and was last updated in September 2017.**
 
 # Contents