Some cosmetic cleanup
diff --git a/examples/rewrite_ast.py b/examples/rewrite_ast.py
index a4630a4..289e26f 100644
--- a/examples/rewrite_ast.py
+++ b/examples/rewrite_ast.py
@@ -14,7 +14,7 @@
 text = r"""
 void func(void)
 {
-	x = 1;
+  x = 1;
 }
 """