Miinor readme and changelog updates to #1478.

Author: nedtwigg

README.md

@@ -77,6 +77,7 @@ lib('python.BlackStep')                          +'{{yes}}       | {{no}}
 lib('scala.ScalaFmtStep')                        +'{{yes}}       | {{yes}}      | {{yes}}      | {{no}}  |',
 lib('sql.DBeaverSQLFormatterStep')               +'{{yes}}       | {{yes}}      | {{yes}}      | {{no}}  |',
 extra('wtp.EclipseWtpFormatterStep')             +'{{yes}}       | {{yes}}      | {{no}}       | {{no}}  |',
+lib('yaml.YamlJacksonStep')                      +'{{no}}        | {{yes}}      | {{no}}      | {{no}}  |',
 '| [(Your FormatterStep here)](CONTRIBUTING.md#how-to-add-a-new-formatterstep) | {{no}} | {{no}} | {{no}} | {{no}} |',
 ].join('\n');
 -->
@@ -122,6 +123,7 @@ extra('wtp.EclipseWtpFormatterStep')             +'{{yes}}       | {{yes}}
 | [`scala.ScalaFmtStep`](lib/src/main/java/com/diffplug/spotless/scala/ScalaFmtStep.java) | :+1:       | :+1:      | :+1:      | :white_large_square:  |
 | [`sql.DBeaverSQLFormatterStep`](lib/src/main/java/com/diffplug/spotless/sql/DBeaverSQLFormatterStep.java) | :+1:       | :+1:      | :+1:      | :white_large_square:  |
 | [`wtp.EclipseWtpFormatterStep`](lib-extra/src/main/java/com/diffplug/spotless/extra/wtp/EclipseWtpFormatterStep.java) | :+1:       | :+1:      | :white_large_square:       | :white_large_square:  |
+| [`yaml.YamlJacksonStep`](lib/src/main/java/com/diffplug/spotless/yaml/YamlJacksonStep.java) | :white_large_square:        | :+1:      | :white_large_square:      | :white_large_square:  |
 | [(Your FormatterStep here)](CONTRIBUTING.md#how-to-add-a-new-formatterstep) | :white_large_square: | :white_large_square: | :white_large_square: | :white_large_square: |
 <!---freshmark /matrix -->
 

plugin-maven/CHANGES.md

@@ -5,7 +5,7 @@ We adhere to the [keepachangelog](https://keepachangelog.com/en/1.0.0/) format (
 ## [Unreleased]
 ### Added
 * Add option `editorConfigFile` for `ktLint` [#142](https://github.com/diffplug/spotless/issues/142)
-* **POTENTIALLY BREAKING** `ktlint` step now modifies license headers. Make sure to put `licenseHeader` *after* `ktlint`.
+  * **POTENTIALLY BREAKING** `ktlint` step now modifies license headers. Make sure to put `licenseHeader` *after* `ktlint`.
 * Added `skipLinesMatching` option to `licenseHeader` to support formats where license header cannot be immediately added to the top of the file (e.g. xml, sh). ([#1441](https://github.com/diffplug/spotless/pull/1441))
 * Add JSON support ([#1446](https://github.com/diffplug/spotless/pull/1446))
 * Add YAML support through Jackson ([#1478](https://github.com/diffplug/spotless/pull/1478))