docs: text improvements

refs #1897

Change-Id: Ic02a3764d5d597b82ed1adc564552016157ff07a
diff --git a/AUTHORS.md b/AUTHORS.md
index 95173ee..01b54bc 100644
--- a/AUTHORS.md
+++ b/AUTHORS.md
@@ -1,5 +1,5 @@
 Shuo Chen             <chenatu2006@gmail.com>
 Alexander Afanasyev   <http://lasr.cs.ucla.edu/afanasyev/index.html>
-Junxiao Shi           <http://www.cs.arizona.edu/people/shijunxiao/>
+Junxiao Shi           <https://www.cs.arizona.edu/~shijunxiao/>
 Hang Zhang            <http://netlab.bit.edu.cn/z_hang>
 Weiqi Shi             <swq11@mails.tsinghua.edu.cn>