Update README.md

README.md

@@ -96,7 +96,7 @@ add further descriptions of the fields where needed.!!!
 | **normsentence_text** | String | normalised sentence text |
 | **transsentence_text** | String | translated sentence text |
 | **translated** | Integer | text translated |
-| **audio** | array | Encoded audio with 'path', 'array','sampling_rate' |
+| **audio** | Array | Encoded audio with 'path', 'array','sampling_rate' |