diff --git a/docs/conventions.md b/docs/conventions.md
index a8c967b69..57c02b509 100644
--- a/docs/conventions.md
+++ b/docs/conventions.md
@@ -46,7 +46,7 @@ that is associated with them is not available unless explicitly enabled.
 This symbol denotes that the thing described is a metadata property, which can
 be used in Markdown documents as part of the front matter definition.
 
-### <!-- md:flag multiple --> – Metadata property { #metadata data-toc-label="Multiple instances" }
+### <!-- md:flag multiple --> – Multiple instances { #multiple-instances data-toc-label="Multiple instances" }
 
 This symbol denotes that the plugin supports multiple instances, i.e, that it
 can be used multiple times in the `plugins` setting in `mkdocs.yml`.