diff --git a/Part.3.B.3.decorator-iterator-generator.ipynb b/Part.3.B.3.decorator-iterator-generator.ipynb
index 056e96734..0abd81e65 100644
--- a/Part.3.B.3.decorator-iterator-generator.ipynb
+++ b/Part.3.B.3.decorator-iterator-generator.ipynb
@@ -973,7 +973,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "### 装饰带有参数函数"
+    "### 装饰带有参数的函数"
    ]
   },
   {