diff --git a/src/java/org/apache/commons/lang/text/Interpolation.java b/src/java/org/apache/commons/lang/text/Interpolation.java
index 7c2c191b7..1412ff5a1 100644
--- a/src/java/org/apache/commons/lang/text/Interpolation.java
+++ b/src/java/org/apache/commons/lang/text/Interpolation.java
@@ -11,7 +11,7 @@
  *
  * @author Ken Fitzpatrick
  * @author Henri Yandell
- * @since 2.1
+ * @since 2.2
  * @version $Id$
  */
 public class Interpolation {
diff --git a/src/java/org/apache/commons/lang/text/MappedMessageFormat.java b/src/java/org/apache/commons/lang/text/MappedMessageFormat.java
index 059508583..781b2ba0c 100644
--- a/src/java/org/apache/commons/lang/text/MappedMessageFormat.java
+++ b/src/java/org/apache/commons/lang/text/MappedMessageFormat.java
@@ -40,7 +40,8 @@
  * Originally org.apache.commons.digester.substitution.MultiVariableExpander.
  * </p>
  *
- * @since 2.1
+ * @since 2.2
+ * @version $Id$
  */
 public class MappedMessageFormat {
 
diff --git a/src/java/org/apache/commons/lang/text/StrBuilder.java b/src/java/org/apache/commons/lang/text/StrBuilder.java
index 1f4e4061c..4b2a373af 100644
--- a/src/java/org/apache/commons/lang/text/StrBuilder.java
+++ b/src/java/org/apache/commons/lang/text/StrBuilder.java
@@ -49,7 +49,7 @@
  * 'null'. This can be controlled by a property, {@link #setNullText(String)}.
  *
  * @author Stephen Colebourne
- * @since 2.1
+ * @since 2.2
  * @version $Id$
  */
 public class StrBuilder implements Cloneable {
diff --git a/src/java/org/apache/commons/lang/text/StrTokenizer.java b/src/java/org/apache/commons/lang/text/StrTokenizer.java
index 68dcd96c0..6f1e86e22 100644
--- a/src/java/org/apache/commons/lang/text/StrTokenizer.java
+++ b/src/java/org/apache/commons/lang/text/StrTokenizer.java
@@ -72,7 +72,7 @@
  * @author Matthew Inger
  * @author Stephen Colebourne
  * @author Gary D. Gregory
- * @since 2.1
+ * @since 2.2
  * @version $Id$
  */
 public class StrTokenizer implements ListIterator, Cloneable {