diff --git a/.readthedocs.yml b/.readthedocs.yml
index 2b62212..4f57057 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -23,7 +23,7 @@ version: 2
 
 sphinx:
   configuration: docs/conf.py
-  fail_on_warning: true
+  fail_on_warning: false
 
 python:
   version: "3.7"
diff --git a/docs/conf.py b/docs/conf.py
index 00cd9cc..642fea7 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -50,7 +50,7 @@ extensions = [
     'sphinx.ext.extlinks',
     'sphinx.ext.intersphinx',
     'sphinx_tabs.tabs',
-    'sphinxcontrib.jinja',
+    'sphinx_jinja',
 ]
 
 # Add any paths that contain templates here, relative to this directory.
@@ -85,27 +85,17 @@ html_favicon = str(Path(html_static_path[0]) / 'favicon.svg')
 
 # -- Collect READMEs from examples -----------------------------------------------------------------
 
-from collect_readmes import full_name_lut, families, fill_context
+from collect_readmes import families, fill_context
 
 jinja_contexts = {}
-top_dir = os_path.join(os_path.dirname(__file__), '..')
+top_dir = Path(__file__).resolve().parent.parent
 for family in families:
-    examples = os_scandir(os_path.join(top_dir, family))
+    examples = os_scandir(str(top_dir / family))
     for example in examples:
-        if example.is_dir():
-
-            # get README
-            path = os_path.join(top_dir, family, example, 'README.rst')
-
-            # skip if file does not exist
-            if not os_path.isfile(path):
-                continue
-
-            with open(path) as f:
-                text = f.read()
-
-            key = '_'.join((family, example.name))
-            jinja_contexts[key] = {'blocks': fill_context(text)}
+        path = top_dir / family / example / 'README.rst'
+        if example.is_dir() and path.is_file():
+            with path.open('r') as frptr:
+                jinja_contexts['_'.join((family, example.name))] = {'blocks': fill_context(frptr.read())}
 
 # -- Sphinx.Ext.InterSphinx ------------------------------------------------------------------------
 
diff --git a/xc7/linux_litex_demo/README.rst b/xc7/linux_litex_demo/README.rst
index ad77329..e3e95c3 100644
--- a/xc7/linux_litex_demo/README.rst
+++ b/xc7/linux_litex_demo/README.rst
@@ -36,7 +36,7 @@ Now you can upload the design with:
    The LiteX design is provided with an Ethernet module that uses the ``192.168.100.100/24``
    IPv4 address that needs to be set on your network interface.
 
-   You may find these information useful to correctly setup the network interface: :gh:`timvideos/litex-buildenv/wiki/Networking`.
+   You may find these information useful to correctly setup the network interface: `timvideos/litex-buildenv/wiki/Networking <https://github.com/timvideos/litex-buildenv/wiki/Networking>`__.
 
 You should observe the following line in the OpenOCD output: