diff --git a/62.md b/62.md
index 586cfac..fc9cc72 100644
--- a/62.md
+++ b/62.md
@@ -32,7 +32,7 @@ A publication index defines the structure and metadata of a collection. It serve
   - Optional event ID field enables version tracking while maintaining updateable references
   - Referenced events SHOULD be kind 30041 sections or nested kind 30040 indices
   - Additional event kinds MAY be supported
-- MUST include a `auto-update` tag specifying update behavior:
+- MUST include an `auto-update` tag specifying update behavior:
   - Format: `["auto-update", "<yes|ask|no>"]`
   - Controls whether clients should automatically update to newer versions
 - For derivative works: