diff --git a/sources/tech/20120205 Computer Laboratory - Raspberry Pi- Lesson 5 OK05.md b/sources/tech/20120205 Computer Laboratory - Raspberry Pi- Lesson 5 OK05.md
index 9eb5bf6f93..62f0b67cca 100644
--- a/sources/tech/20120205 Computer Laboratory - Raspberry Pi- Lesson 5 OK05.md	
+++ b/sources/tech/20120205 Computer Laboratory - Raspberry Pi- Lesson 5 OK05.md	
@@ -1,5 +1,5 @@
 [#]: collector: (lujun9972)
-[#]: translator: ( )
+[#]: translator: (oska874)
 [#]: reviewer: ( )
 [#]: publisher: ( )
 [#]: url: ( )
@@ -7,6 +7,8 @@
 [#]: via: (https://www.cl.cam.ac.uk/projects/raspberrypi/tutorials/os/ok05.html)
 [#]: author: (Robert Mullins http://www.cl.cam.ac.uk/~rdm34)
 
+translating by ezio
+
 Computer Laboratory – Raspberry Pi: Lesson 5 OK05
 ======