diff --git a/README.md b/README.md
index 25fe00b..1c69b88 100644
--- a/README.md
+++ b/README.md
@@ -163,6 +163,10 @@ reason it was included in this package is because we need you to import render f
 `dom-testing-library`, and that's an important blocker. Some day, maybe we'll try to allow use of
 that library with this one somehow.
 
+## Gotchas
+
+If you are using jest, using `jest.useFakeTimers()` will stop several async functions like `find*` and `waitForElement` from working.
+
 ## Contributors
 
 Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/docs/en/emoji-key)):