Correct syntax error in output of JsonErrorReportValve

Pull request provided by Viraj Kanwade
diff --git a/java/org/apache/catalina/valves/JsonErrorReportValve.java b/java/org/apache/catalina/valves/JsonErrorReportValve.java
index bde4c57..8ba4acb 100644
--- a/java/org/apache/catalina/valves/JsonErrorReportValve.java
+++ b/java/org/apache/catalina/valves/JsonErrorReportValve.java
@@ -83,7 +83,7 @@
         }
         String jsonReport = "{\n" +
                             "  \"type\": \"" + type + "\",\n" +
-                            "  \"message\": \"" + message + "\"\n" +
+                            "  \"message\": \"" + message + "\",\n" +
                             "  \"description\": \"" + description + "\"\n" +
                             "}";
         try {
diff --git a/webapps/docs/changelog.xml b/webapps/docs/changelog.xml
index 826b326..1f37421 100644
--- a/webapps/docs/changelog.xml
+++ b/webapps/docs/changelog.xml
@@ -152,6 +152,10 @@
         <code>WriteListener.onWritePossible()</code> and
         <code>ReadListener.onDataAvailable()</code>. (markt)
       </add>
+      <fix>
+        Correct syntax error in output of <code>JsonErrorReportValve</code>.
+        Pull request provided by Viraj Kanwade. (markt)
+      </fix>
     </changelog>
   </subsection>
   <subsection name="Coyote">