Doc: fix build (section heading).

diff --git a/Documentation/notation/notation-appendices.itely b/Documentation/notation/notation-appendices.itely
index 8cf8c2ca6aed12b9b6a5ab736f3fb92583e7122a..aa24bdfeaa54a04256591fc2a91a1de94315805e 100644 (file)
--- a/Documentation/notation/notation-appendices.itely
+++ b/Documentation/notation/notation-appendices.itely
@@ -914,7 +914,7 @@ A glossary of the technical terms and concepts used internally.
 @end menu
 
 @node alist
-@unnumberedsubsubsec alist
+@unnumberedsubsec alist
 
 @cindex alist
 @cindex association list