diff --git a/README.md b/README.md
index 33a3c75..ee782d2 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,6 @@ not sure how far I will take this but messing around with E1.17 ACN protocol
 
 ## areas
 - rlp
-- stp
+- sdt
 - dmp
 - ddl