diff --git a/pages/students/2021/manohar_gowdru/README.md b/pages/students/2021/manohar_gowdru/README.md
index d7b4b52e32..00b31a74ba 100644
--- a/pages/students/2021/manohar_gowdru/README.md
+++ b/pages/students/2021/manohar_gowdru/README.md
@@ -81,7 +81,7 @@ Create a [VPN connection](https://uvt.tuke.sk/wps/portal/uv/sluzby/vzdialeny-pri
 
 Your review can start with:
 
-- [Hate speech detection: Challenges and solutions]( https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0221152#sec003)
+- [Hate speech detection: Challenges and solutions](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6701757/)
 - [HateBase](https://hatebase.org/) 
 - [Resources and benchmark corpora for hate speech detection: a systematic review](https://link.springer.com/article/10.1007/s10579-020-09502-8)