diff --git a/sources/tech/20160705 Create Your Own Shell in Python - Part I.md b/sources/tech/20160705 Create Your Own Shell in Python - Part I.md
index 9c3ffa55dd..48e84381c8 100644
--- a/sources/tech/20160705 Create Your Own Shell in Python - Part I.md	
+++ b/sources/tech/20160705 Create Your Own Shell in Python - Part I.md	
@@ -1,3 +1,4 @@
+Translating by cposture 2016.07.09
 Create Your Own Shell in Python : Part I
 
 I’m curious to know how a shell (like bash, csh, etc.) works internally. So, I implemented one called yosh (Your Own SHell) in Python to answer my own curiosity. The concept I explain in this article can be applied to other languages as well.
diff --git a/sources/tech/20160706 Create Your Own Shell in Python - Part II.md b/sources/tech/20160706 Create Your Own Shell in Python - Part II.md
index af0ec01b36..3154839443 100644
--- a/sources/tech/20160706 Create Your Own Shell in Python - Part II.md	
+++ b/sources/tech/20160706 Create Your Own Shell in Python - Part II.md	
@@ -1,3 +1,4 @@
+Translating by cposture 2016.07.09
 Create Your Own Shell in Python - Part II
 ===========================================