diff --git a/docs/conf.py b/docs/conf.py
index dd22132..141568c 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -19,7 +19,7 @@ extensions = [
 with open(".gitignore") as f:
     exclude_patterns = [line.strip() for line in f.readlines()]
 
-master_doc = "cover"
+root_doc = "cover"
 
 intersphinx_mapping = {"python": ("https://docs.python.org/3", None)}
 
diff --git a/docs/start.rst b/docs/start.rst
index fb5fb0e..3d7772f 100644
--- a/docs/start.rst
+++ b/docs/start.rst
@@ -10,7 +10,7 @@ This section demonstrates the basic Amaranth workflow to provide a cursory overv
 A counter
 =========
 
-As a first example, consider a counter with a fixed limit, enable, and overflow. The code for this example is shown below. `Download <_code/up_counter.py>`_ and run it:
+As a first example, consider a counter with a fixed limit, enable, and overflow. The code for this example is shown below. :download:`Download <_code/up_counter.py>` and run it:
 
 .. code-block:: shell