diff --git a/anthropic_api_fundamentals/02_messages_format.ipynb b/anthropic_api_fundamentals/02_messages_format.ipynb
index 24859b1..8cda9c4 100644
--- a/anthropic_api_fundamentals/02_messages_format.ipynb
+++ b/anthropic_api_fundamentals/02_messages_format.ipynb
@@ -13,7 +13,7 @@
    "source": [
     "## Lesson goals\n",
     "- Understand the messages API format\n",
-    "- Work wit and understand model response objects\n",
+    "- Work with and understand model response objects\n",
     "- Build a simple multi-turn chatbot"
    ]
   },