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docs: minor grammar improvements in basics.md
(#17077)
Corrected minor grammatical errors in the documentation. Signed-off-by: Daniel Gospodinow <danielgospodinow@gmail.com>
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@ -10,7 +10,7 @@ time.
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When you send a query request to Prometheus, it can be an _instant query_, evaluated at one point in time,
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or a _range query_ at equally-spaced steps between a start and an end time. PromQL works exactly the same
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in each cases; the range query is just like an instant query run multiple times at different timestamps.
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in each case; the range query is just like an instant query run multiple times at different timestamps.
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In the Prometheus UI, the "Table" tab is for instant queries and the "Graph" tab is for range queries.
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@ -31,7 +31,7 @@ evaluate to one of four types:
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* **Scalar** - a simple numeric floating point value
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* **String** - a simple string value; currently unused
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Depending on the use-case (e.g. when graphing vs. displaying the output of an
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Depending on the use case (e.g. when graphing vs. displaying the output of an
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expression), only some of these types are legal as the result of a
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user-specified expression.
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For [instant queries](api.md#instant-queries), any of the above data types are allowed as the root of the expression.
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@ -308,7 +308,7 @@ Note that this allows a query to look ahead of its evaluation time.
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The `@` modifier allows changing the evaluation time for individual instant
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and range vectors in a query. The time supplied to the `@` modifier
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is a unix timestamp and described with a float literal.
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is a Unix timestamp and described with a float literal.
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For example, the following expression returns the value of
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`http_requests_total` at `2021-01-04T07:40:00+00:00`:
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