diff --git a/README.md b/README.md
index 5866751..0e3aa14 100644
--- a/README.md
+++ b/README.md
@@ -575,7 +575,7 @@ To enable this feature:
 
 ```json
 {
-  "styles": ".was-price { color: red; }"
+  "styles": ".was-price { color: red; } .promotion { color: green; }"
 }
 ```