We've been over some of this on the music SE and this is behavior that rubbed the community there the wrong way. Due to the nature of this site and lyrical expression in certain genres, language will not always be professional when it comes to lyrics and there may be some foul language on the site.
This does not mean any foul language goes. Exercise foul language especially targeted at people violates our CoC and will be delt with.
In this case, the edit was so minor and the improvement was so negligible it didn't really help the site one way or another. Taking out a single occurence of the word "damn" isn't really going to change the image of the site unless it was entirely clean, but as the first paragraph states that's not true.
You also have a history of doing excessive minor edits for your own benefit rather than the benefit of the community and this feels very much like one of them. As stated before this community is a clean slate for you to start on, but you should reflect on the feedback from others on previous sites as issues like these have been discussed on other SEs and while this community may have a different exact stance it's worth taking into account previous feedback.