[Grammar] be warned

[Ashiuhto]

Please check the following sentence. Is it acceptable?

They are warned that Christian is now a wild lion, maybe it doesn't recognize them any more.

 

[Rover_KE]

No, it's not acceptable.

The comma should be a semicolon.

Rover

 

[Ashiuhto]

I try to rewrite it as written.

They got a warning that Christian is now a wild lion, and it maybe doesn't recognize them any more.

 

[Barb_D]

They were warned that Christian is now a wild lion, and that he may not recognize them any longer.

(I read their book, by the way. It was very entertaining.)