diff --git a/pep-0289.txt b/pep-0289.txt
index 953577bfa..1dcac0aa0 100644
--- a/pep-0289.txt
+++ b/pep-0289.txt
@@ -33,7 +33,7 @@ is no longer needed, delete the list::
 
     sum([x*x for x in range(10)])
 
-Memory is conserved by using a generator expession instead::
+Memory is conserved by using a generator expression instead::
 
     sum(x*x for x in range(10))