diff --git a/ResearchPapers.md b/ResearchPapers.md
index 22324cce..90513623 100644
--- a/ResearchPapers.md
+++ b/ResearchPapers.md
@@ -2,7 +2,7 @@ This page lists academic and industry research papers about Go or using Go as th
 ## 2018
 
 - Distributed Programming using Role-Parametric Session Types in Go (Castro, Hu, Jongmans, NG, Yoshida)
- - [pdf] (https://www.doc.ic.ac.uk/research/technicalreports/2018/DTRS18-4.pdf)
+ - [pdf](https://www.doc.ic.ac.uk/research/technicalreports/2018/DTRS18-4.pdf)
 
 - Observing the Evolution of QUIC Implementations, (Piraux, De Coninck, Bonaventure)
   - [pdf](https://arxiv.org/abs/1810.09134)