diff --git a/README.md b/README.md
index 7823c403..bba7763a 100644
--- a/README.md
+++ b/README.md
@@ -139,6 +139,7 @@ Thank you for all the help so far!
 - @yinhm for integrating zipline with @yinhm/datafeed
 - [Jeremiah Lowin](http://www.lowindata.com) for teaching us the nuances of Sharpe and Sortino Ratios
 - Brian Cappello
+- @verdverm (Tony Worm), Order types (stop, limit)
 - Quantopian Team
 
 (alert us if we've inadvertantly missed listing you here!)