Add @since 2.2.
diff --git a/commons-vfs2/src/main/java/org/apache/commons/vfs2/FileContent.java b/commons-vfs2/src/main/java/org/apache/commons/vfs2/FileContent.java
index 4f130c0..3e1b8f7 100644
--- a/commons-vfs2/src/main/java/org/apache/commons/vfs2/FileContent.java
+++ b/commons-vfs2/src/main/java/org/apache/commons/vfs2/FileContent.java
@@ -42,6 +42,7 @@
  * </p>
  *
  * @see FileObject#getContent
+ * @since 2.2
  */
 public interface FileContent extends Closeable {