diff --git a/src/rossum-sa-extension/README.md b/src/rossum-sa-extension/README.md
index 4710fb190b..eded6e65bf 100644
--- a/src/rossum-sa-extension/README.md
+++ b/src/rossum-sa-extension/README.md
@@ -9,7 +9,10 @@ Head over to https://chrome.google.com/webstore/detail/bljkbinljmhdbipklfcljongi
 
 ## Rossum UI improvements
 
+All of these options are configurable and can be turned on/off on demand:
+
 - shows datapoint `schema_id` on the annotation screen (headers and line items)
+- expands formula field definitions by default
 - adds `devFeatureEnabled` toggle
 - adds `devDebugEnabled` toggle