Rollup merge of #79351 - Takashiidobe:keyword-docs-typo, r=m-ou-se

Fix typo in `keyword` docs for traits

This PR fixes a small typo in the `keyword_docs.rs` file, describing the differences between the 2015 and 2018 editions of traits.
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Jonas Schievink 2020-11-24 13:17:43 +01:00 committed by GitHub
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@ -1739,7 +1739,7 @@ mod super_keyword {}
///
/// # Differences between the 2015 and 2018 editions
///
/// In the 2015 edition parameters pattern where not needed for traits:
/// In the 2015 edition the parameters pattern was not needed for traits:
///
/// ```rust,edition2015
/// trait Tr {