diff --git a/guide/english/rest-api/index.md b/guide/english/rest-api/index.md
index 81a59a8116..e002315959 100644
--- a/guide/english/rest-api/index.md
+++ b/guide/english/rest-api/index.md
@@ -2,9 +2,8 @@
 title: Rest API Design
 ---
 
-
 ### History
-REST stands for **Re**presentational **S**tate **T**ransfer protocol. Roy Fielding defined REST in his Phd dissertation in year 2000.
+REST stands for **Re**presentational **S**tate **T**ransfer protocol. Roy Fielding defined REST in his [Phd dissertation](https://www.ics.uci.edu/~fielding/pubs/dissertation/fielding_dissertation.pdf) in the year 2000.
  
 ### What is it?
 REST was developed to provide a uniform interface for