Update change log

Author: markt-asf

spec/src/main/asciidoc/servlet-spec-body.adoc

@@ -8549,6 +8549,10 @@ Jakarta Servlet {spec-version} specification developed under the Jakarta EE Work
 
 === Changes Since Jakarta Servlet 6.0
 
+link:https://github.com/eclipse-ee4j/servlet-api/issues/59[Issue 59]::
+A new attribute, `jakarta.servlet.error.query_string`, has been added to the
+attributes that must be set on the request as part of an error dispatch.
+
 link:https://github.com/eclipse-ee4j/servlet-api/issues/164[Issue 164]::
 Clarify Javadoc for `ServletResponse` and `HttpServletResponse` methods that are
 NO-OPs once the response has been committed.
@@ -8562,6 +8566,10 @@ link:https://github.com/eclipse-ee4j/servlet-api/issues/463[Issue 463]::
 Clarify Javadoc for `MultipartConfigElement` and `MultipartConfig` that sizes
 are in bytes.
 
+link:https://github.com/eclipse-ee4j/servlet-api/issues/473[Issue 473]::
+The Javadoc for `HttpServletRequest.isTrailerFieldsReady()` has been corrected
+to correctly describe the default implementation.
+
 === Changes Since Jakarta Servlet 5.0
 
 The minimum Java version has been increased to Java 11.