diff --git a/test/c/textbook.en.md b/test/c/textbook.en.md
index 3a6529f87..e30920ed4 100644
--- a/test/c/textbook.en.md
+++ b/test/c/textbook.en.md
@@ -8,7 +8,7 @@ lessons:
       order: 1
 ---
 
-## TEST C  en
+## TEST C 
 
 If test01 : must appear with the order ABC