What could have happened?

[biothanasis]

Is this sunburn on my Ho Chi Minh???? Should I move the plant or provide more humidity???? The rest of the plant is ok and has vivid colours... Any suggestions???? Thank you...

(The 1st photo is taken with flash and the 2nd in natural light [maybe too pale])

 

[NYEric]

Looks like sunburn. I'd move it a little.

 

[biothanasis]

OK... Thanks...

(You are FAST...!!!!!!!)