Update lookup.html.md (#26835)

Typo in introductory paragraph.
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Joshua Mendoza 2020-11-06 07:58:33 -06:00 committed by GitHub
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@ -13,7 +13,7 @@ earlier, see
[0.11 Configuration Language: Interpolation Syntax](../../configuration-0-11/interpolation.html). [0.11 Configuration Language: Interpolation Syntax](../../configuration-0-11/interpolation.html).
`lookup` retrieves the value of a single element from a map, given its key. `lookup` retrieves the value of a single element from a map, given its key.
If the given key does not exist, a the given default value is returned instead. If the given key does not exist, the given default value is returned instead.
``` ```
lookup(map, key, default) lookup(map, key, default)