Document "<bool>" placeholder in API (#4465)

Signed-off-by: Julius Volz <julius.volz@gmail.com>
2018-08-04 21:30:53 +02:00 · 2018-08-04 21:30:53 +02:00 · 0c54cf489b
parent f1db699dff
commit 0c54cf489b
1 changed files with 2 additions and 0 deletions
--- a/docs/querying/api.md
+++ b/docs/querying/api.md
@ -52,6 +52,8 @@ selectors](basics.md#time-series-selectors) like `http_requests_total` or
 `<duration>` placeholders refer to Prometheus duration strings of the form
 `[0-9]+[smhdwy]`. For example, `5m` refers to a duration of 5 minutes.

+`<bool>` placeholders refer to boolean values (strings `true` and `false`).
+
 ## Expression queries

 Query language expressions may be evaluated at a single instant or over a range