Note to not upgrade literate-nav. (#213)

Author: kattni

pyproject.toml

@@ -28,7 +28,7 @@ dependencies = [
     "markdown-checker==0.2.5",
     "mistletoe==1.5.1",
     "mkdocs-autorefs==1.4.4",
-    "mkdocs-literate-nav==0.6.3",
+    "mkdocs-literate-nav==0.6.3",  # DO NOT UPGRADE - Uncertain whether author's move to ProperDocs will cause incompatibility
     "mkdocs-macros-plugin==1.5.0",
     "mkdocs-material==9.7.6",
     "mkdocs-rss-plugin==1.18.1",