diff --git a/README.md b/README.md
index 1a5c0b4f592469c83fa0f415e165a8910cd6a868..ce8e5507c7d48cc4ec4079ac8520322f4249ca68 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,10 @@ A [maubot](https://github.com/maubot/maubot) to remind you about things.
 ## Usage
 Use `!remind <date> <message>` to set a reminder. To subscribe to a reminder set by someone else,
 upvote the message with a 👍 reaction. To cancel a reminder, remove the message or reaction.
+After the reminder fires, you can re-schedule it with `!reminder again <date>`.
+
+`<date>` can be a time delta (e.g. `2 days 1.5 hours` or `friday at 15:00`)
+or an absolute date (e.g. `2020-03-27 15:00`).
 
 Note that subscribing to and cancelling reminders is only possible before the last minute.
 Each minute reminders that are scheduled to go off during that minute are sent to the event loop,
@@ -13,4 +17,9 @@ To set the timezone for date parsing and output for your messages, use `!remind
 It's recommended to use a [TZ database name](https://en.wikipedia.org/wiki/List_of_tz_database_time_zones),
 but anything supported by Pytz will work.
 
+Similarly, you can set the locale for date parsing with `!remind locale <list of locales>`. If you
+provide multiple locales, each one will be tried for parsing your input until one matches. Unlike
+the timezone, the locale only affects input, not output. You can view available locales using
+`!remind locales`. You can also contribute new locales by making a pull request (see [locales.py](reminder/locales.py), content warning: long regexes).
+
 To list your upcoming reminders, use `!remind list`