Fix docs

Signed-off-by: Kévin Commaille <[email protected]>

Author: zecakeh

crates/matrix-sdk/src/room/member.rs

@@ -100,8 +100,8 @@ impl RoomMember {
 pub enum RoomMemberRole {
     /// The member is a creator.
     ///
-    /// A creator has infinite power levels and cannot be demoted, so this role
-    /// is immutable. A room can have several creators.
+    /// A creator has an infinite power level and cannot be demoted, so this
+    /// role is immutable. A room can have several creators.
     ///
     /// It is available in room versions where
     /// `explicitly_privilege_room_creators` in [`AuthorizationRules`] is set to