diff --git a/changelogs/internal/newsfragments/1954.clarification b/changelogs/internal/newsfragments/1954.clarification
new file mode 100644
index 00000000..c0b1bdb4
--- /dev/null
+++ b/changelogs/internal/newsfragments/1954.clarification
@@ -0,0 +1 @@
+Exclude markdown checklists from alternate output formats.
diff --git a/config.toml b/config.toml
index b9a66cb8..ebead0e2 100644
--- a/config.toml
+++ b/config.toml
@@ -146,3 +146,4 @@ sidebar_menu_compact = true
     mediaType = "text/markdown"
     isPlainText = true
     baseName = "checklist"
+    notAlternative = true