diff --git a/pep-0509.txt b/pep-0509.txt
index 9c0a53019..704752f31 100644
--- a/pep-0509.txt
+++ b/pep-0509.txt
@@ -101,8 +101,9 @@ Usage of the dict version
 Speedup method calls 1.2x
 -------------------------
 
-Yury Selivanov wrote a patch to optimize method calls. The patch depends
-on the `implement per-opcode cache in ceval
+Yury Selivanov wrote a `patch to optimize method calls
+<https://bugs.python.org/issue26110>`_. The patch depends on the
+`implement per-opcode cache in ceval
 <https://bugs.python.org/issue26219>`_ patch which requires dictionary
 versions to invalidate the cache if the globals dictionary or the
 builtins dictionary has been modified.