diff --git a/book/source/conf.py b/book/source/conf.py
index db227e5..402cd37 100644
--- a/book/source/conf.py
+++ b/book/source/conf.py
@@ -24,7 +24,9 @@ source_suffix = ['.md', '.rst']
 templates_path = ['_templates']
 exclude_patterns = []
 
-
+myst_enable_extensions = [
+    "deflist",
+]
 
 # -- Options for HTML output -------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#options-for-html-output