diff --git a/README.md b/README.md
index 0f89a71..b924869 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,8 @@
-// TODO: add readme
+# Usage
+```swift
+class Example {
+  // property that needs to be accessed from different threads
+  @ThreadSafe var object: MyObject
+  // ...
+}
+```