Short (70 chars or less) summary of changes
More detailed explanatory text, if necessary. Wrap it to about 80
characters or so. In some contexts, the first line is treated as the
subject of an email and the rest of the text as the body. The blank
line separating the summary from the body is critical.
Further paragraphs come after blank lines.
- Bullet points are okay, too
- A hyphen is used for the bullet, surrounded by a single space