diff --git a/sources/tech/20170312 OpenGL  Go Tutorial Part 1.md b/sources/tech/20170312 OpenGL  Go Tutorial Part 1.md
index 56adf60616..1f5c8d4b89 100644
--- a/sources/tech/20170312 OpenGL  Go Tutorial Part 1.md	
+++ b/sources/tech/20170312 OpenGL  Go Tutorial Part 1.md	
@@ -1,3 +1,4 @@
+translating by kylecao
 OpenGL & Go Tutorial Part 1: Hello, OpenGL
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