diff --git a/README.rst b/README.rst
index e44df78..d7fd905 100644
--- a/README.rst
+++ b/README.rst
@@ -7,7 +7,9 @@ format. Like the original implementation, it is based on ReportLab's
 ``reportlab`` library.
 
 You can read all about ``z3c.rml`` and see many examples on how to use it,
-see the "RML Reference":https://github.com/zopefoundation/z3c.rml/blob/master/src/z3c/rml/rml-reference.pdf?raw=true
+see the `RML Reference`_
+
+.. _RML Reference: https://github.com/zopefoundation/z3c.rml/blob/master/src/z3c/rml/rml-reference.pdf?raw=true
 
 Travis: |buildstatus|_