Tweak javadoc
- some feature indicates 2.1.0 in javadoc but it should 3.0.0

src/main/java/org/mockito/internal/stubbing/defaultanswers/ReturnsMoreEmptyValues.java
src/main/java/org/mockito/internal/stubbing/defaultanswers/ReturnsMoreEmptyValues.java
diff --git a/src/main/java/org/mockito/internal/stubbing/defaultanswers/ReturnsMoreEmptyValues.java b/src/main/java/org/mockito/internal/stubbing/defaultanswers/ReturnsMoreEmptyValues.java
index 5d37aacbfa..2c20525057 100644
--- a/src/main/java/org/mockito/internal/stubbing/defaultanswers/ReturnsMoreEmptyValues.java
+++ b/src/main/java/org/mockito/internal/stubbing/defaultanswers/ReturnsMoreEmptyValues.java
@@ -13,7 +13,7 @@
 import java.lang.reflect.Array;
 
 /**
- * It's likely this implementation will be used by default by every Mockito 2.1.0 mock.
+ * It's likely this implementation will be used by default by every Mockito 3.0.0 mock.
  * <p>
  * Currently <b>used only</b> by {@link Mockito#RETURNS_SMART_NULLS}
  * <p>
