Autogenerated update (2018-09-19)

Update:
- adexchangebuyer2_v2beta1
- compute_beta
- content_v2sandbox
- firestore_v1beta2
- games_v1
- serviceconsumermanagement_v1
- serviceusage_v1
- serviceusage_v1beta1
- speech_v1
- toolresults_v1beta3

generated/google/apis/speech_v1/classes.rb

@@ -327,15 +327,18 @@ module Google
         attr_accessor :speech_contexts
       
         # *Optional* Set to true to use an enhanced model for speech recognition.
-        # You must also set the `model` field to a valid, enhanced model. If
-        # `use_enhanced` is set to true and the `model` field is not set, then
-        # `use_enhanced` is ignored. If `use_enhanced` is true and an enhanced
-        # version of the specified model does not exist, then the speech is
-        # recognized using the standard version of the specified model.
+        # If `use_enhanced` is set to true and the `model` field is not set, then
+        # an appropriate enhanced model is chosen if:
+        # 1. project is eligible for requesting enhanced models
+        # 2. an enhanced model exists for the audio
+        # If `use_enhanced` is true and an enhanced version of the specified model
+        # does not exist, then the speech is recognized using the standard version
+        # of the specified model.
         # Enhanced speech models require that you opt-in to data logging using
-        # instructions in the [documentation](/speech-to-text/enable-data-logging).
-        # If you set `use_enhanced` to true and you have not enabled audio logging,
-        # then you will receive an error.
+        # instructions in the
+        # [documentation](/speech-to-text/docs/enable-data-logging). If you set
+        # `use_enhanced` to true and you have not enabled audio logging, then you
+        # will receive an error.
         # Corresponds to the JSON property `useEnhanced`
         # @return [Boolean]
         attr_accessor :use_enhanced