diff --git a/README.md b/README.md
index c81db98..964561a 100644
--- a/README.md
+++ b/README.md
@@ -87,3 +87,4 @@ https://github.com/tc39/proposal-cancelable-promises/issues/70
 https://github.com/twitter/scrooge/issues/222
 
 https://github.com/zenparsing/es-observable/pull/97
+