diff --git a/sources/talk/20140801 20 Amazing Linux Blogs For Beginners.md b/sources/talk/20140801 20 Amazing Linux Blogs For Beginners.md
index d3f7bd9527..7a8b0adfb2 100644
--- a/sources/talk/20140801 20 Amazing Linux Blogs For Beginners.md	
+++ b/sources/talk/20140801 20 Amazing Linux Blogs For Beginners.md	
@@ -1,3 +1,4 @@
+[translating by KayGuoWhu]
 20 Amazing Linux Blogs For Beginners!
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 Whether you're a newbie looking to venture into the world of Linux and open source or a pro in search for some inspiration, well, blogs are the one stop shop to all your needs. Blogs are an excellent resource of information coming in from real time users like you and me who are looking to help other fellow users grasp concepts in simple language and easy format.
diff --git a/sources/tech/20140804 How to install and configure Nvidia Optimus driver on Ubuntu.md b/sources/tech/20140804 How to install and configure Nvidia Optimus driver on Ubuntu.md
index 196bb07693..75a0bc16a4 100644
--- a/sources/tech/20140804 How to install and configure Nvidia Optimus driver on Ubuntu.md	
+++ b/sources/tech/20140804 How to install and configure Nvidia Optimus driver on Ubuntu.md	
@@ -1,3 +1,4 @@
+[translating by KayGuoWhu]
 How to install and configure Nvidia Optimus driver on Ubuntu
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 Nvidia Optimus is a hybrid GPU system which utilises what is known as "discrete switching" and has been long associated with headaches and limitations on Linux systems. After years of wait, Ubuntu 14.04 with its shiny new kernel finally shipped with proprietary driver compatibility that can be installed easily. This article will guide you through the installation process after quick background of Nvidia Optimus for the unfamiliar readers. For the seasoned destroyer of Xorg configuration, you can quickly jump to the installation section below.