--- old/src/java.base/share/classes/sun/security/x509/DistributionPointName.java	2014-08-26 11:21:27.000000000 +0800
+++ new/src/java.base/share/classes/sun/security/x509/DistributionPointName.java	2014-08-26 11:21:27.000000000 +0800
@@ -231,10 +231,10 @@
     public String toString() {
         StringBuilder sb = new StringBuilder();
         if (fullName != null) {
-            sb.append("DistributionPointName:\n     " + fullName + "\n");
+            sb.append("DistributionPointName:\n     ").append(fullName).append('\n');
 
         } else {
-            sb.append("DistributionPointName:\n     " + relativeName + "\n");
+            sb.append("DistributionPointName:\n     ").append(relativeName).append('\n');
         }
 
         return sb.toString();