diff --git a/src/posts/parse.js b/src/posts/parse.js
index f4c110623f..3ab61b3d57 100644
--- a/src/posts/parse.js
+++ b/src/posts/parse.js
@@ -115,6 +115,7 @@ module.exports = function (Posts) {
 			sanitizeConfig.allowedAttributes[tag] = _.union(sanitizeConfig.allowedAttributes[tag], sanitizeConfig.globalAttributes);
 		});
 
+		// Some plugins might need to adjust or whitelist their own tags...
 		sanitizeConfig = await plugins.fireHook('filter:sanitize.config', sanitizeConfig);
 	};