sphinx conf.py: root_doc
@@ -60,8 +60,8 @@ def setup(app):
# source_suffix = ['.rst', '.md']
source_suffix = [".rst", ".md"]
-# The master toctree document.
-master_doc = "index"
+# The root toctree document.
+root_doc = master_doc = "index"
# General information about the project.
project = "repo2docker"
