I totally agree but im new to this situation and wouldn't know how to ask. any advice ?

Hi myself and my family stayed in a popular hotel chain last weekend. one of my 3 children burnt there hands on a tap in the bathroom, the tap had a notice stating very hot water but the cold and hot taps where labeled wrong with the red and blue labels. the hotel apologized and said they would refund our fee for the night. they confirmed in a email that they had not been aware of the miss labeling but the maintenance have fixed it now. The injury to my 6 year olds hand was dealt with by myself as a first aider and didnt need further medical attention. would i be able to take legal action against them for this? or be able to talk to them about some form of compensation? Regards Luke