diff --git a/scratch/crash_course_in_python.py b/scratch/crash_course_in_python.py
index 71608d4a..ec24690d 100644
--- a/scratch/crash_course_in_python.py
+++ b/scratch/crash_course_in_python.py
@@ -386,7 +386,7 @@ def sum_and_product(x, y):
 assert not true_equals_false
 
 x = None
-assert x == None, "this is the not the Pythonic way to check for None"
+assert x == None, "this is not the Pythonic way to check for None"
 assert x is None, "this is the Pythonic way to check for None"