diff --git a/README.md b/README.md
index 657c84b..60e2373 100644
--- a/README.md
+++ b/README.md
@@ -186,7 +186,7 @@ Try to click buttons and then get back to Leporello window. Now you can see
 that all function calls have been recorded and you can inspect and debug
 them:
 
-![Async calls](docs/images/async_calls.png)
+![Deferred calls](docs/images/deferred_calls.png)
 
 You can even run and debug Leporello.js in Leporello.js! To do this:
 
diff --git a/docs/images/async_calls.png b/docs/images/async_calls.png
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index 58734f0..0000000
Binary files a/docs/images/async_calls.png and /dev/null differ
diff --git a/docs/images/deferred_calls.png b/docs/images/deferred_calls.png
new file mode 100644
index 0000000..0510db9
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