diff --git a/src/java.base/share/classes/sun/reflect/annotation/AnnotationParser.java b/src/java.base/share/classes/sun/reflect/annotation/AnnotationParser.java
index e5a3e636c2c..82751e3fcd2 100644
--- a/src/java.base/share/classes/sun/reflect/annotation/AnnotationParser.java
+++ b/src/java.base/share/classes/sun/reflect/annotation/AnnotationParser.java
@@ -123,7 +123,7 @@ public class AnnotationParser {
                 if (AnnotationType.getInstance(klass).retention() == RetentionPolicy.RUNTIME &&
                     result.put(klass, a) != null) {
                         throw new AnnotationFormatError(
-                            "Duplicate annotation for class: "+klass+": " + a);
+                            "Duplicate annotation " + klass + " in " + container);
             }
         }
         }