Fix enum type errors
The message is defined an enum of strings and listed those strings as
the true and false primatives. Which are not strings. This change
converts them to strings.
@@ -389,8 +389,8 @@ paths:
message:
type: string
enum:
- - true
- - false
+ - "true"
+ - "false"
'401':
description: The client is unauthorized
post:
