docs/operators: fix a typo (#9559)

s/are preserved the output/are preserved in the output

Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
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Julian Wiedmann 2021-10-21 15:35:52 +03:00 committed by GitHub
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@ -222,7 +222,7 @@ or
both `(label1, label2)` and `(label1, label2,)` are valid syntax.
`without` removes the listed labels from the result vector, while
all other labels are preserved the output. `by` does the opposite and drops
all other labels are preserved in the output. `by` does the opposite and drops
labels that are not listed in the `by` clause, even if their label values are
identical between all elements of the vector.