diff --git a/README.md b/README.md
index b305b03..e9d31c2 100644
--- a/README.md
+++ b/README.md
@@ -72,3 +72,5 @@ The `-type` flag accepts a comma-separated list of types so a single run can
 generate methods for multiple types. The default output file is t_jsonenums.go,
 where t is the lower-cased name of the first type listed. THe suffix can be
 overridden with the `-suffix` flag.
+
+This is not an official Google product (experimental or otherwise), it is just code that happens to be owned by Google.