--- docs/conf.py
+++ docs/conf.py
@@ -53,7 +53,7 @@ m2r2 uses vulnerable version of mistune; use myst_parser instead.
     "sphinx.ext.napoleon",
     "sphinx.ext.intersphinx",
     "sphinx.ext.doctest",
-    "m2r2"
+    "myst_parser"
     # 'sphinx_autodoc_typehints'
 ]
 
@@ -66,7 +66,7 @@ Configure markdown as a valid source.
 # You can specify multiple suffix as a list of string:
 #
 # source_suffix = ['.rst', '.md']
-source_suffix = ".rst"
+source_suffix = [".rst", ".md"]
 
 # The master toctree document.
 master_doc = "index"
@@ -93,7 +93,7 @@ We are only building the manpage, so remove dependency on external theme.
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
 #
-html_theme = "sphinx_rtd_theme"
+# html_theme = "sphinx_rtd_theme"
 
 language = "en"