diff --git a/ToolUse/02_your_first_simple_tool.ipynb b/ToolUse/02_your_first_simple_tool.ipynb
index 2d7cbbc..5002df1 100644
--- a/ToolUse/02_your_first_simple_tool.ipynb
+++ b/ToolUse/02_your_first_simple_tool.ipynb
@@ -102,7 +102,7 @@
     "\n",
     "![chickens_calculator.png](attachment:chickens_calculator.png)\n",
     "\n",
-    "The first step is to define the actual calculator function and make sure it works, indepent of Claude.  We'll write a VERY simple function that expects three arguments:\n",
+    "The first step is to define the actual calculator function and make sure it works, independent of Claude.  We'll write a VERY simple function that expects three arguments:\n",
     "* An operation like \"add\" or \"multiply\"\n",
     "* Two operands\n",
     "\n",