Fix core property description in asciidoc

Author: martin-tarjanyi

src/docs/asciidoc/core-properties.adoc

@@ -45,7 +45,7 @@
 |springdoc.show-spring-cloud-functions | `true` |  `Boolean`. To display the spring-cloud-function web endpoints.
 |springdoc.enable-groovy | `true` |  `Boolean`. To enable Groovy support.
 |springdoc.enable-spring-security | `true` |  `Boolean`. To enable spring-security support.
-|springdoc.enable-kotlin | `true` |  `Boolproperty resolver on @Schema (extensionean`. To enable Kotlin support.
+|springdoc.enable-kotlin | `true` |  `Boolean`. To enable Kotlin support.
 |springdoc.enable-hateoas | `true` |  `Boolean`. To enable spring-hateoas support.
 |springdoc.enable-data-rest | `true` |  `Boolean`. To enable spring-data-rest support.
 |springdoc.api-docs.version | `openapi_3_0` | `String`. To choose `OpenAPI 3.0` or `OpenAPI 3.1` (using the value `OPENAPI_3_1`).