From 504acf4a0aec394fa7993dc2fe5744ef59f97b2c Mon Sep 17 00:00:00 2001
From: Martin Chodur <m.chodur@seznam.cz>
Date: Sat, 7 Jul 2018 10:20:18 +0200
Subject: [PATCH] docs: added undocumented step api parameter format (#4360)

---
 docs/querying/api.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/querying/api.md b/docs/querying/api.md
index 8af0d65b5b..139eb58dd7 100644
--- a/docs/querying/api.md
+++ b/docs/querying/api.md
@@ -132,7 +132,7 @@ URL query parameters:
 - `query=<string>`: Prometheus expression query string.
 - `start=<rfc3339 | unix_timestamp>`: Start timestamp.
 - `end=<rfc3339 | unix_timestamp>`: End timestamp.
-- `step=<duration>`: Query resolution step width.
+- `step=<duration | float>`: Query resolution step width in `duration` format or float number of seconds.
 - `timeout=<duration>`: Evaluation timeout. Optional. Defaults to and
    is capped by the value of the `-query.timeout` flag.