diff --git a/README.md b/README.md
index b0e0885..155799c 100644
--- a/README.md
+++ b/README.md
@@ -58,6 +58,10 @@ This error type correctly inherits from `Error`, and can be used with `instanceo
 
 ## Changelog
 
+### 1.0.1 (August 30, 2019)
+
+- Added input validation with an informative error to the `discover` method.
+
 ### 1.0.0 (August 30, 2019)
 
 Initial release.