Add a historical note, and hint to look below for more about hooks.
Capitalized the heading for consistency, removed blank line.
`backups`.
**database.hook_dir**
-
Directory containing hooks run by notmuch commands. See
**notmuch-hooks(5)**.
+ History: this configuration value was introduced in notmuch 0.32.
+
+ Default: See HOOKS, below.
+
**user.name**
Your full name.
- ``${HOME}/.notmuch-config<profile>`` where ``<profile>`` is
``.$NOTMUCH_PROFILE`` or ""
-Hooks
+HOOKS
-----
If ``database.hook_dir`` is unset, notmuch tries (in order)