Update batch-synthesis-properties.md

Author: sally-baolian

articles/ai-services/speech-service/batch-synthesis-properties.md

@@ -56,7 +56,7 @@ Batch synthesis properties are described in the following table.
 |`synthesisConfig.backgroundAudio.volume`|The volume of the background audio file. Accepted values: `0` to `100` inclusive. The default value is `1`.<br/><br/>For information, see the attributes table under [add background audio](speech-synthesis-markup-voice.md#add-background-audio) in the Speech Synthesis Markup Language (SSML) documentation. Invalid values are ignored.<br/><br/>This optional property is only applicable when `inputKind` is set to `"PlainText"`.|
 |`synthesisConfig.pitch`|The pitch of the audio output.<br/><br/>For information about the accepted values, see the [adjust prosody](speech-synthesis-markup-voice.md#adjust-prosody) table in the Speech Synthesis Markup Language (SSML) documentation. Invalid values are ignored.<br/><br/>This optional property is only applicable when `inputKind` is set to `"PlainText"`.|
 |`synthesisConfig.rate`|The rate of the audio output.<br/><br/>For information about the accepted values, see the [adjust prosody](speech-synthesis-markup-voice.md#adjust-prosody) table in the Speech Synthesis Markup Language (SSML) documentation. Invalid values are ignored.<br/><br/>This optional property is only applicable when `inputKind` is set to `"PlainText"`.|
-|`synthesisConfig.role`|For some voices, you can adjust the speaking role-play. The voice can imitate a different age and gender, but the voice name isn't changed. For example, a male voice can raise the pitch and change the intonation to imitate a female voice, but the voice name isn't be changed. If the role is missing or isn't supported for your voice, this attribute is ignored.<br/><br/>For information about the available styles per voice, see [voice styles and roles](language-support.md?tabs=tts#voice-styles-and-roles).<br/><br/>This optional property is only applicable when `inputKind` is set to `"PlainText"`.|
+|`synthesisConfig.role`|For some voices, you can adjust the speaking role-play. The voice can imitate a different age and gender, but the voice name isn't changed. For example, a male voice can raise the pitch and change the intonation to imitate a female voice, but the voice name isn't changed. If the role is missing or isn't supported for your voice, this attribute is ignored.<br/><br/>For information about the available styles per voice, see [voice styles and roles](language-support.md?tabs=tts#voice-styles-and-roles).<br/><br/>This optional property is only applicable when `inputKind` is set to `"PlainText"`.|
 |`synthesisConfig.speakerProfileId`|The speaker profile ID of a personal voice.<br/><br/>For information about available personal voice base model names, see [integrate personal voice](personal-voice-how-to-use.md#integrate-personal-voice-in-your-application).<br/>For information about how to get the speaker profile ID, see [language and voice support](personal-voice-create-voice.md).<br/><br/>This property is required when `inputKind` is set to `"PlainText"`.|
 |`synthesisConfig.style`|For some voices, you can adjust the speaking style to express different emotions like cheerfulness, empathy, and calm. You can optimize the voice for different scenarios like customer service, newscast, and voice assistant.<br/><br/>For information about the available styles per voice, see [voice styles and roles](language-support.md?tabs=tts#voice-styles-and-roles).<br/><br/>This optional property is only applicable when `synthesisConfig.style` is set.|
 |`synthesisConfig.styleDegree`|The intensity of the speaking style. You can specify a stronger or softer style to make the speech more expressive or subdued. The range of accepted values are: 0.01 to 2 inclusive. The default value is 1, which means the predefined style intensity. The minimum unit is 0.01, which results in a slight tendency for the target style. A value of 2 results in a doubling of the default style intensity. If the style degree is missing or isn't supported for your voice, this attribute is ignored.<br/><br/>For information about the available styles per voice, see [voice styles and roles](language-support.md?tabs=tts#voice-styles-and-roles).<br/><br/>This optional property is only applicable when `inputKind` is set to `"PlainText"`.|