diff --git a/README.md b/README.md
index bd2cda495..98786a8d9 100644
--- a/README.md
+++ b/README.md
@@ -23,6 +23,7 @@ Nu currently has the following built-in commands:
 -   first amount
 -   to-array
 -   to-json
+-   to-toml
 -   from-json
 -   from-toml
 -   open filename