Notice to neighbor telling that tree needs trimming

This sample letter is to notify a neighbor that a tree on his property needs to be trimmed.

I just wanted to let you know that your <kind of tree>, which hangs over onto my property, is in need of trimming.  Like you, I love the privacy and secluded atmosphere that mature trees provide, but in order to keep them healthy, it’s important to maintain them properly. I will be happy to offer my help and/or suggestions.

Please let me know how you intend to proceed. I look forward to hearing from you.