docs: fix typo in is_null expression explainer (#55988) (#56037)

(cherry picked from commit 46da77d1a0)

Co-authored-by: Mike McFarland <roketworks@users.noreply.github.com>
This commit is contained in:
Grot (@grafanabot)
2022-09-29 17:23:41 +02:00
committed by GitHub
parent d10d842024
commit 27e76f5c7a

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@@ -114,7 +114,7 @@ is_nan takes a number or a series and returns `1` for `NaN` values and `0` for o
##### is_null
is_nan takes a number or a series and returns `1` for `null` values and `0` for other values. For example `is_null($A)`.
is_null takes a number or a series and returns `1` for `null` values and `0` for other values. For example `is_null($A)`.
##### is_number