message: Fix typo in prop(gh-page)
  prop(gh-page): fix typo
  This is a squash merge of typegoose/typegoose#244
diff: @@ -74,7 +74,7 @@ class Defaulted {
  Accepts Type: `boolean`
  -Set this to `false` if you want to turn of creating IDs for sub-documents.
  +Set this to `false` if you want to turn off creating IDs for sub-documents.
  Example:
  