diff --git a/openapi.yaml b/openapi.yaml
index d7d2d85..1797d93 100644
--- a/openapi.yaml
+++ b/openapi.yaml
@@ -2,7 +2,7 @@ openapi: 3.1.0
 info:
   title: Redocly Museum API
   description: Imaginary, but delightful Museum API for interacting with museum services and information. Built with love by Redocly.
-  version: 1.1.1
+  version: 1.2.0
   termsOfService: 'https://redocly.com/subscription-agreement/'
   contact:
     email: team@redocly.com
@@ -30,7 +30,7 @@ paths:
           content:
             application/json:
               schema:
-                $ref: "#/components/schemas/MuseumHoursCollection"
+                $ref: "#/components/schemas/MuseumHours"
               examples:
                 default_example:
                   $ref: "#/components/examples/GetMuseumHoursResponseExample"
@@ -249,7 +249,6 @@ components:
       description: Unique identifier for museum ticket. Generated when purchased.
       type: string
       format: uuid
-      readOnly: true
       example: a54a57ca-36f8-421b-a6b4-2e8f26858a4c
     TicketConfirmation:
       description: Unique confirmation code used to verify ticket purchase.
@@ -270,7 +269,6 @@ components:
           description: Unique identifier for a special event. Required if purchasing tickets for the museum's special events.
           $ref: "#/components/schemas/EventId"
       required:
-        - ticketId
         - ticketType
         - ticketDate
     MuseumTicketsConfirmation:
@@ -290,8 +288,8 @@ components:
       description: Image of a ticket with a QR code used for museum or event entry.
       type: string
       format: binary
-    MuseumHoursCollection:
-      description: List of museum operating hours for consecutive days.
+    MuseumHours:
+      description: List of museum operating hours for a date range.
       type: array
       items:
         $ref: "#/components/schemas/MuseumDailyHours"
@@ -322,7 +320,6 @@ components:
       type: string
       format: uuid
       example: 3be6453c-03eb-4357-ae5a-984a0e574a54
-      readOnly: true
     EventName:
       type: string
       description: Name of the special event.