18. The medium of claim 15 , wherein generating a prompt for confirming whether to designate a particular phrase that is not currently designated as a hotword, as a hotword is in response to identifying that the particular phrase is not currently designated as a hotword.
19. The medium of claim 18 , wherein identifying that the particular phrase is not currently designated as a hotword comprises: generating a transcription of an utterance of the particular phrase; and determining from the transcription that the particular phrase is not currently designated as a hotword.