diff --git a/Lambda expressions.ipynb b/Lambda expressions.ipynb
index 8722288..edd54aa 100644
--- a/Lambda expressions.ipynb	
+++ b/Lambda expressions.ipynb	
@@ -6,7 +6,7 @@
    "source": [
     "#lambda expressions\n",
     "\n",
-    "One of Pythons most useful (and for beginners, confusing) tools is the lambda expression. lambda expressions allow us to create \"anonymous\" functions. This basically means we can quickly make ad-hoc functions without needing to properly define a function using def.\n",
+    "One of Python's most useful (and for beginners, confusing) tools is the lambda expression. lambda expressions allow us to create \"anonymous\" functions. This basically means we can quickly make ad-hoc functions without needing to properly define a function using def.\n",
     "\n",
     "Function objects returned by running lambda expressions work exactly the same as those created and assigned by defs. There is key difference that makes lambda useful in specialized roles:\n",
     "\n",