diff --git a/Lib/test/test_ast/test_ast.py b/Lib/test/test_ast/test_ast.py
index 38d3a5adc5f01f..3f55ff44ba75c2 100644
--- a/Lib/test/test_ast/test_ast.py
+++ b/Lib/test/test_ast/test_ast.py
@@ -3545,7 +3545,7 @@ def test_show_empty_flag(self):
         self.check_output(source, expect, '--show-empty')
 
 
-class ASTOptimiziationTests(unittest.TestCase):
+class ASTOptimizationTests(unittest.TestCase):
     def wrap_expr(self, expr):
         return ast.Module(body=[ast.Expr(value=expr)])