How can I modify Youtube postfix keyword?

1. From right corner of Youtube Kara, choose "+karaoke" or other + keyword in this position, the following  pull down menu will appear，please choose Modify:

2.The modify the postfix keyword you want, for example you want to change the keyword from Karaoke to KTV, just type "KTV"，Press OK:

3.Then you can see "+KARAOKE" has been changed to "+KTV" the modification is OK.

Notice: The Youtube Content is subject to change without notice by Youtube, Hence it may lead to Bluekara can not access those songs with limitation by Youtube.