Update README.md

EZLippi · web-flow · commit a28cc200dfad · 2018-01-20T18:16:49.000+08:00
diff --git a/README.md b/README.md
@@ -1,4 +1,5 @@
-A mirror for tinyhttpd(Tinyhttpd非官方镜像)
+A mirror for tinyhttpd(Tinyhttpd非官方镜像,Fork自[sourceForge](https://sourceforge.net/projects/tiny-httpd/),仅供学习)
+
 测试CGI时需要本机安装PERL，同时安装perl-cgi
 
 ### Prepare 
