diff --git a/sources/tech/20170403 Introduction to functional programming.md b/sources/tech/20170403 Introduction to functional programming.md
index ea2543e388..fc3bfb34d9 100644
--- a/sources/tech/20170403 Introduction to functional programming.md	
+++ b/sources/tech/20170403 Introduction to functional programming.md	
@@ -1,3 +1,4 @@
+trnhoe translating~
 Introduction to functional programming
 ============================================================