There's no need to make up a new title (with three separate spelling mistakes). The actual article title is "To Dissect a Mockingbird: A Graphical Notation for

There's no need to make up a new title (with three separate spelling mistakes). The actual article title is "To Dissect a Mockingbird: A Graphical Notation for the Lambda Calculus with Animated Reduction" and the subtitle "A Graphical Notation for the Lambda Calculus with Animated Reduction" is clear and fits inside HN's length limit. You may still be within the editing window to fix it.