diff --git a/README.md b/README.md
index 29950b84..16eda6fe 100644
--- a/README.md
+++ b/README.md
@@ -58,7 +58,7 @@ References
 - [CHICKEN Scheme](http://www.call-cc.org/)
 - [Chibi Scheme](https://github.com/ashinn/chibi-scheme)
 - [Compiling Scheme to C with closure conversion](http://matt.might.net/articles/compiling-scheme-to-c/), by Matt Might
-- [Implementing an on-the-fly garbage collector for Java], by Domani et al
+- Implementing an on-the-fly garbage collector for Java, by Domani et al
 - [Lisp in Small Pieces](http://pagesperso-systeme.lip6.fr/Christian.Queinnec/WWW/LiSP.html), by Christian Queinnec
 - [R<sup>5</sup>RS Scheme Specification](http://www.schemers.org/Documents/Standards/R5RS/HTML/)
 - [R<sup>7</sup>RS Scheme Specification](http://trac.sacrideo.us/wg/wiki)