correct @since tag

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/proxy/trunk@1582773 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/core/src/main/java/org/apache/commons/proxy2/impl/MethodSignature.java b/core/src/main/java/org/apache/commons/proxy2/impl/MethodSignature.java
index 56679d4..2f5e786 100644
--- a/core/src/main/java/org/apache/commons/proxy2/impl/MethodSignature.java
+++ b/core/src/main/java/org/apache/commons/proxy2/impl/MethodSignature.java
@@ -37,7 +37,7 @@
 /**
  * A class for capturing the signature of a method (its name and parameter types).
  * 
- * @since 1.0
+ * @since 2.0
  */
 public class MethodSignature implements Serializable
 {