diff --git a/MANUAL.txt b/MANUAL.txt
index 91dc4bf03..247bf5ca3 100644
--- a/MANUAL.txt
+++ b/MANUAL.txt
@@ -3680,7 +3680,7 @@ round-tripping) rather than being parsed.  Use this only
 when you are targeting `ipynb` or a Markdown-based
 output format.
 
-#### Extension: `citations` {#org-citations}
+### Extension: `citations` {#org-citations}
 
 When the `citations` extension is enabled in `org`,
 org-cite and org-ref style citations will be parsed as
@@ -3694,7 +3694,7 @@ by Zotero or Mendeley or EndNote plugins will be parsed as native
 pandoc citations.  (Otherwise, the formatted citations generated
 by the bibliographic software will be parsed as regular text.)
 
-#### Extension: `fancy_lists` {#org-fancy-lists}
+### Extension: `fancy_lists` {#org-fancy-lists}
 
 Some aspects of [Pandoc's Markdown fancy lists](#extension-fancy_lists) are also
 accepted in `org` input, mimicking the option `org-list-allow-alphabetical` in