diff --git a/README.md b/README.md
index 810f9f9..da9a2bd 100644
--- a/README.md
+++ b/README.md
@@ -227,7 +227,7 @@ wordcloud(names(tab),tab)
 <div id="refs" class="references">
 <div id="CERMINE">
 - National Center for Biotechnology Information (NCBI), National Library of Medicine (NLM). 2014. Journal Publishing Tag Library - NISO JATS Draft Version 1.1d2. 
-[https://jats.nlm.nih.gov/publishing/tag-library/1.1d2/index.html}](https://jats.nlm.nih.gov/publishing/tag-library/1.1d2/index.html).
+[https://jats.nlm.nih.gov/publishing/tag-library/1.1d2/index.html].
 </div>
 
 <div id="JATS">
@@ -235,7 +235,7 @@ wordcloud(names(tab),tab)
 CERMINE: automatic extraction of structured metadata from scientific literature. 
 In International Journal on Document Analysis and Recognition (IJDAR), 2015, 
 vol. 18, no. 4, pp. 317-335, doi: 10.1007/s10032-015-0249-8. 
-[https://github.com/CeON/CERMINE/](https://github.com/CeON/CERMINE/).
+[https://github.com/CeON/CERMINE/].
 </div>
 </div>