diff --git a/README.md b/README.md
index a76bf35..4bc981f 100644
--- a/README.md
+++ b/README.md
@@ -68,8 +68,9 @@ C API
 
 A C interface to cpdf is available, in source and binary form:
 
-[source]https://github.com/johnwhitington/cpdflib-source
-[binary]https://github.com/coherentgraphics/cpdflib-binary
+[source](https://github.com/johnwhitington/cpdflib-source)
+
+[binary](https://github.com/coherentgraphics/cpdflib-binary)
 
 Contact
 -------