fixing broken bookmark

Author: paulth1

articles/cognitive-services/Speech-Service/spx-overview.md

@@ -31,7 +31,7 @@ Use the Speech SDK when:
 
 * Speech recognition - Convert speech-to-text either from audio files or directly from a microphone, or transcribe a recorded conversation.
 
-* Speech synthesis - Convert text-to-speech using either input from text files, or input directly from the command line. Customize speech output characteristics using [SSML configurations](speech-synthesis-markup.md), and [neural voices](speech-synthesis-markup.md#prebuilt-neural-voice-and-custom-neural-voice).
+* Speech synthesis - Convert text-to-speech using either input from text files, or input directly from the command line. Customize speech output characteristics using [SSML configurations](speech-synthesis-markup.md), and [neural voices](speech-synthesis-markup.md#prebuilt-neural-voices-and-custom-neural-voices).
 
 * Speech translation - Translate audio in a source language to text or audio in a target language.