diff --git a/51.md b/51.md
index cd1a4ab..cbd6be1 100644
--- a/51.md
+++ b/51.md
@@ -145,4 +145,4 @@ An event with kind `30000` is defined as a parameterized replaceable list event
 
 ### Categorized Bookmarks List
 
-An event of kind `30001` is defined as a parameterised replaceable list event for categorizing bookmarks. The `d' parameter for this event holds the category name of the list. The bookmark lists may contain metadata tags such as 'title', 'image', 'summary' as defined in [NIP-23 - Long-form Content](23.md). The tags included in these lists MUST follow the schema of event tags as defined in [NIP-01 - Basic protocol flow description](01.md). Any standardized tag can be included in a Categorized Bookmark List.
\ No newline at end of file
+An event of kind `30001` is defined as a parameterized replaceable list event for categorizing bookmarks. The 'd' parameter for this event holds the category name of the list. The bookmark lists may contain metadata tags such as 'title', 'image', 'summary' as defined in [NIP-23 - Long-form Content](23.md). Any standardized tag can be included in a Categorized Bookmark List.
\ No newline at end of file