Fix broken link.

aaugustin · aaugustin · commit 217ac2d19174 · 2021-05-13T22:37:31.000+02:00
Fix #953.
diff --git a/docs/design.rst b/docs/design.rst
@@ -13,7 +13,7 @@ wish to understand what happens under the hood.
 
     Internals described in this document may change at any time.
 
-    Backwards compatibility is only guaranteed for `public APIs <api/index>`_.
+    Backwards compatibility is only guaranteed for :doc:`public APIs <api/index>`.
 
 
 Lifecycle
