diff --git a/doc/async_operations.md b/doc/async_operations.md
index 8506e1639..064a9c50f 100644
--- a/doc/async_operations.md
+++ b/doc/async_operations.md
@@ -4,7 +4,7 @@ Node.js native add-ons often need to execute long running tasks and to avoid
 blocking the **event loop** they have to run them asynchronously from the
 **event loop**.
 In the Node.js model of execution the event loop thread represents the thread
-where JavaScript code is executing. The node.js guidance is to avoid blocking
+where JavaScript code is executing. The Node.js guidance is to avoid blocking
 other work queued on the event loop thread. Therefore, we need to do this work on
 another thread.