name : update-vocabulary.rst **To update a custom vocabulary with new terms.** The following ``update-vocabulary`` example overwrites the terms used to create a custom vocabulary with the new ones that you provide. Prerequisite: to replace the terms in a custom vocabulary, you need a file with new terms. :: aws transcribe update-vocabulary \ --vocabulary-file-uri s3://amzn-s3-demo-bucket/Amazon-S3-Prefix/custom-vocabulary.txt \ --vocabulary-name custom-vocabulary \ --language-code language-code Output:: { "VocabularyName": "custom-vocabulary", "LanguageCode": "language", "VocabularyState": "PENDING" } For more information, see `Custom Vocabularies <https://docs.aws.amazon.com/transcribe/latest/dg/how-vocabulary.html>`__ in the *Amazon Transcribe Developer Guide*.