diff --git a/sources/tech/20170224 Setting Up a Secure FTP Server using SSL-TLS on Ubuntu.md b/sources/tech/20170224 Setting Up a Secure FTP Server using SSL-TLS on Ubuntu.md
index ab5ba45450..70fef0c365 100644
--- a/sources/tech/20170224 Setting Up a Secure FTP Server using SSL-TLS on Ubuntu.md	
+++ b/sources/tech/20170224 Setting Up a Secure FTP Server using SSL-TLS on Ubuntu.md	
@@ -1,3 +1,5 @@
+translating by DockerChen
+
 Setting Up a Secure FTP Server using SSL/TLS on Ubuntu
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