sbt-scalafix now runs scalafix with Scala 2.13 by default

docs/users/installation.md

@@ -158,7 +158,7 @@ Great! You are all set to use Scalafix with sbt :)
 | `scalafixDependencies` | `SettingKey[Seq[ModuleID]]` | Dependencies making [custom rules](#run-custom-rules) available via their simple name. Can be set in `ThisBuild` or at project-level. Defaults to `Nil`.
 | `scalafixOnCompile` | `SettingKey[Boolean]` | When `true`, Scalafix rule(s) declared in `scalafixConfig` are run on compilation, applying rewrites and failing on lint errors. Defaults to `false`.
 | `scalafixResolvers` | `SettingKey[Seq[Repository]]` | Custom resolvers where `scalafixDependencies` are resolved from, in addition to the user-defined sbt `ThisBuild / resolvers`. Must be set in `ThisBuild`. Defaults to: Ivy2 local, Maven Central, Sonatype releases & Sonatype snapshots.
-| `scalafixScalaBinaryVersion` | `SettingKey[String]` | Scala binary version used for Scalafix execution. Can be set in `ThisBuild` or at project-level. Defaults to 2.12. For advanced rules such as ExplicitResultTypes to work, it must match the binary version defined in the build for compiling sources. Note that `scalafixDependencies` artifacts must be published against that Scala version.
+| `scalafixScalaBinaryVersion` | `SettingKey[String]` | Scala binary version used for Scalafix execution. Can be set in `ThisBuild` or at project-level. Defaults to 2.13. For advanced rules such as ExplicitResultTypes to work, it must match the binary version defined in the build for compiling sources. Note that `scalafixDependencies` artifacts must be published against that Scala version.
 
 
 ### Main and test sources