diff --git a/samples/themes/dita-ot-docs-theme.yaml b/samples/themes/dita-ot-docs-theme.yaml
index f0afa706..0817899b 100644
--- a/samples/themes/dita-ot-docs-theme.yaml
+++ b/samples/themes/dita-ot-docs-theme.yaml
@@ -149,6 +149,7 @@ style:
     font-size: 12pt
     font-style: italic
     space-before: 12pt
+    title-numbering: false
   li:
     label:
       color: $brand-color-secondary