Update how-to-custom-voice-create-voice.md

Author: sally-baolian

articles/cognitive-services/Speech-Service/how-to-custom-voice-create-voice.md

@@ -117,7 +117,7 @@ Unresolved errors listed in the next table affect the quality of training, but d
 | Script | Non-normalized text|This script contains symbols. Normalize the symbols to match the audio. For example, normalize *50%* to *fifty percent*.|
 | Script | Not enough question utterances| At least 10 percent of the total utterances should be question sentences. This helps the voice model properly express a questioning tone.|
 | Script | Not enough exclamation utterances| At least 10 percent of the total utterances should be exclamation sentences. This helps the voice model properly express an excited tone.|
-| Script | No valid end punctuation| No valid end punctuation was found. Add one of the following at the end of the line: '.', '!', '?', '。', '！', or '？'.|
+| Script | No valid end punctuation| Add one of the following at the end of the line: full stop (half-width '.' or full-width '。'), exclamation point (half-width '!' or full-width '！' ), or question mark ( half-width '?' or full-width '？').|
 | Audio| Low sampling rate for neural voice | It's recommended that the sampling rate of your .wav files should be 24 KHz or higher for creating neural voices. If it's lower, it will be automatically raised to 24 KHz.|
 | Volume |Overall volume too low|Volume shouldn't be lower than -18 dB (10 percent of max volume). Control the volume average level within proper range during the sample recording or data preparation.|
 | Volume | Volume overflow| Overflowing volume is detected at {}s. Adjust the recording equipment to avoid the volume overflow at its peak value.|