C3W3 Lab 2: JSON parse exception when uploading Zeppelin notebook

I receive this error when attempting to upload “C3_W3_Lab_2_Streaming_Queries_Flink_Studio.zpln” with Import note in Zeppelin.

This is happening also to me

There seems to be an issue in this specific part of the JSON file:

Try removing the ticks and the extra apostrophes as such and you should be good.