diff --git a/README.md b/README.md
index dc2b93b..fca547e 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 
 An HTML entity encoder/decoder for Gleam.
 
-Entities can be encoded using named or hex entity references. Named entity references use the WHATWG "Named character references" list available at https://html.spec.whatwg.org/multipage/named-characters.html#named-character-references.
+Entities can be encoded using named or hex entity references. Named entity references use the WHATWG "Named character references" list available at [https://html.spec.whatwg.org/multipage/named-characters.html#named-character-references](https://html.spec.whatwg.org/multipage/named-characters.html#named-character-references).
 
 ## Quick start