diff --git a/data/event-schemas/schema/m.room.power_levels.yaml b/data/event-schemas/schema/m.room.power_levels.yaml
index a7f5d398..f9d5d124 100644
--- a/data/event-schemas/schema/m.room.power_levels.yaml
+++ b/data/event-schemas/schema/m.room.power_levels.yaml
@@ -43,7 +43,7 @@ description: |-
   documentation of the `/createRoom` API.
 
   Note: the allowed range for power level values is `[-(2**53)+1, (2**53)-1]`,
-  as specified by the [Canonical JSON specification](/appendices/#canonical-json).
+  as required by the [Canonical JSON specification](/appendices/#canonical-json).
 
 properties:
   content: