diff --git a/compiler/chapter_6.md b/compiler/chapter_6.md
index 1f23cd1..2f232a1 100644
--- a/compiler/chapter_6.md
+++ b/compiler/chapter_6.md
@@ -1,4 +1,6 @@
 
+temporary change
+
 # 6 Summary theory
 
 What's the next step?