Update dataset shape

README.md

@@ -17,4 +17,4 @@ This is a highly effective dataset for training custom openwakeword models.
 
 **Dataset source**: https://acav100m.github.io/
 
-**Size**: An array of shape (2812500, 16, 96), corresponding to ~1000 hours of audio from the ACAV100M dataset. Each row in the array has a temporal dimension of 16, which at 80 ms per temporal step results in each row containing features representing 1.28 seconds of audio.
+**Size**: An array of shape (5625000, 16, 96), corresponding to ~2000 hours of audio from the ACAV100M dataset. Each row in the array has a temporal dimension of 16, which at 80 ms per temporal step results in each row containing features representing 1.28 seconds of audio.