diff --git a/test/src/main/java/org/jvnet/hudson/test/Email.java b/test/src/main/java/org/jvnet/hudson/test/Email.java
index dae1505f51def36766f9573428c731d36da1dc2b..11eb071948e13e7222e2a4db36feafbfb92bf442 100644
--- a/test/src/main/java/org/jvnet/hudson/test/Email.java
+++ b/test/src/main/java/org/jvnet/hudson/test/Email.java
@@ -6,6 +6,7 @@ import java.lang.annotation.Documented;
  * Marks a test case to a bug reported in the mailing list.
  *
  * @author Kohsuke Kawaguchi
+ * @see Url
  */
 @Documented
 public @interface Email {
diff --git a/test/src/main/java/org/jvnet/hudson/test/Url.java b/test/src/main/java/org/jvnet/hudson/test/Url.java
new file mode 100644
index 0000000000000000000000000000000000000000..bcbeffef273f5fba07a2a9fe17ea4d133d938dca
--- /dev/null
+++ b/test/src/main/java/org/jvnet/hudson/test/Url.java
@@ -0,0 +1,17 @@
+package org.jvnet.hudson.test;
+
+import java.lang.annotation.Documented;
+
+/**
+ * Marks a test case to a bug reported in the other sources.
+ *
+ * @author Kohsuke Kawaguchi
+ * @see Email
+ */
+@Documented
+public @interface Url {
+    /**
+     * URL to the web page indicating a problem related to this test case.
+     */
+    String value();
+}