It seems awkward to discuss this as an exception when it's actually a feature. Perhaps it'd make sense to have this be its own paragraph? e.g.

	When dealing with Collections in the API, translatable fields (currently name, description) are returned by default as an object containing all translations, with languages as keys::

		{
			'en-US': 'Games',
			'fr': 'Jeux',
			'kn': 'ಆಟಗಳು'
		}

	If you pass the `lang` parameter to a `GET` request, then then only the most relevent translation (the specified language or the fallback, depending on whether a translation is available) will be returned as a string.