diff --git a/apps/docs/pages/guides/database/extensions/rum.mdx b/apps/docs/pages/guides/database/extensions/rum.mdx
index a912947a712..dfc0ea752a5 100644
--- a/apps/docs/pages/guides/database/extensions/rum.mdx
+++ b/apps/docs/pages/guides/database/extensions/rum.mdx
@@ -151,6 +151,7 @@ operator by attached column.
 
 `RUM` has slower build and insert times than `GIN` due to:
 
+1. It is bigger than due to the additional attributes stored in the index.
 1. It is bigger than due to the additional attributes stored in the index.
 2. It uses generic WAL records.