diff --git a/src/main/java/org/apache/commons/lang3/ClassUtils.java b/src/main/java/org/apache/commons/lang3/ClassUtils.java
index 2384c0ea2..78dde9aaa 100644
--- a/src/main/java/org/apache/commons/lang3/ClassUtils.java
+++ b/src/main/java/org/apache/commons/lang3/ClassUtils.java
@@ -531,7 +531,7 @@ public class ClassUtils {
      *            The class to query or null.
      * @return true if the given {@code type} is a primitive or primitive wrapper ({@link Boolean}, {@link Byte}, {@link Character},
      *         {@link Short}, {@link Integer}, {@link Long}, {@link Double}, {@link Float}).
-     * @since 3.0.2
+     * @since 3.1
      */
     public static boolean isPrimitiveOrWrapper(Class<?> type) {
         if (type == null) {
@@ -548,7 +548,7 @@ public class ClassUtils {
      *            The class to query or null.
      * @return true if the given {@code type} is a primitive wrapper ({@link Boolean}, {@link Byte}, {@link Character}, {@link Short},
      *         {@link Integer}, {@link Long}, {@link Double}, {@link Float}).
-     * @since 3.0.2
+     * @since 3.1
      */
     public static boolean isPrimitiveWrapper(Class<?> type) {
         return wrapperPrimitiveMap.containsKey(type);
diff --git a/src/main/java/org/apache/commons/lang3/SystemUtils.java b/src/main/java/org/apache/commons/lang3/SystemUtils.java
index bb43eca41..0914b4db8 100644
--- a/src/main/java/org/apache/commons/lang3/SystemUtils.java
+++ b/src/main/java/org/apache/commons/lang3/SystemUtils.java
@@ -1009,7 +1009,7 @@ public class SystemUtils {
      * The field will return {@code false} if {@code OS_NAME} is {@code null}.
      * </p>
      *
-     * @since 3.0.2
+     * @since 3.1
      */
     public static final boolean IS_OS_FREE_BSD = getOSMatchesName("FreeBSD");
 
@@ -1021,7 +1021,7 @@ public class SystemUtils {
      * The field will return {@code false} if {@code OS_NAME} is {@code null}.
      * </p>
      *
-     * @since 3.0.2
+     * @since 3.1
      */
     public static final boolean IS_OS_OPEN_BSD = getOSMatchesName("OpenBSD");
 
@@ -1033,7 +1033,7 @@ public class SystemUtils {
      * The field will return {@code false} if {@code OS_NAME} is {@code null}.
      * </p>
      *
-     * @since 3.0.2
+     * @since 3.1
      */
     public static final boolean IS_OS_NET_BSD = getOSMatchesName("NetBSD");
 
diff --git a/src/main/java/org/apache/commons/lang3/math/NumberUtils.java b/src/main/java/org/apache/commons/lang3/math/NumberUtils.java
index ec6fc8445..eb5259e2e 100644
--- a/src/main/java/org/apache/commons/lang3/math/NumberUtils.java
+++ b/src/main/java/org/apache/commons/lang3/math/NumberUtils.java
@@ -666,7 +666,7 @@ public class NumberUtils {
 
     /**
      * <p>Convert a <code>String</code> to a <code>Long</code>; 
-     * since 3.0.2 it handles hex and octal notations.</p>
+     * since 3.1 it handles hex and octal notations.</p>
      * 
      * <p>Returns <code>null</code> if the string is <code>null</code>.</p>
      *
diff --git a/src/test/java/org/apache/commons/lang3/builder/ReflectionToStringBuilderConcurrencyTest.java b/src/test/java/org/apache/commons/lang3/builder/ReflectionToStringBuilderConcurrencyTest.java
index d4626d3c3..2d99448cf 100644
--- a/src/test/java/org/apache/commons/lang3/builder/ReflectionToStringBuilderConcurrencyTest.java
+++ b/src/test/java/org/apache/commons/lang3/builder/ReflectionToStringBuilderConcurrencyTest.java
@@ -45,7 +45,7 @@ import org.junit.Test;
  * 
  * @see <a href="https://issues.apache.org/jira/browse/LANG-762">[LANG-762] Handle or document ReflectionToStringBuilder
  *      and ToStringBuilder for collections that are not thread safe</a>
- * @since 3.0.2
+ * @since 3.1
  * @version $Id$
  */
 public class ReflectionToStringBuilderConcurrencyTest {
diff --git a/src/test/java/org/apache/commons/lang3/builder/ReflectionToStringBuilderMutateInspectConcurrencyTest.java b/src/test/java/org/apache/commons/lang3/builder/ReflectionToStringBuilderMutateInspectConcurrencyTest.java
index acb62317f..adf6208e5 100644
--- a/src/test/java/org/apache/commons/lang3/builder/ReflectionToStringBuilderMutateInspectConcurrencyTest.java
+++ b/src/test/java/org/apache/commons/lang3/builder/ReflectionToStringBuilderMutateInspectConcurrencyTest.java
@@ -32,7 +32,7 @@ import org.junit.Test;
  * 
  * @see <a href="https://issues.apache.org/jira/browse/LANG-762">[LANG-762] Handle or document ReflectionToStringBuilder
  *      and ToStringBuilder for collections that are not thread safe</a>
- * @since 3.0.2
+ * @since 3.1
  * @version $Id$
  */
 public class ReflectionToStringBuilderMutateInspectConcurrencyTest {
diff --git a/src/test/java/org/apache/commons/lang3/builder/ToStringStyleConcurrencyTest.java b/src/test/java/org/apache/commons/lang3/builder/ToStringStyleConcurrencyTest.java
index a071ae948..6d74b5284 100644
--- a/src/test/java/org/apache/commons/lang3/builder/ToStringStyleConcurrencyTest.java
+++ b/src/test/java/org/apache/commons/lang3/builder/ToStringStyleConcurrencyTest.java
@@ -42,7 +42,7 @@ import org.junit.Test;
  * 
  * @see <a href="https://issues.apache.org/jira/browse/LANG-762">[LANG-762] Handle or document ReflectionToStringBuilder
  *      and ToStringBuilder for collections that are not thread safe</a>
- * @since 3.0.2
+ * @since 3.1
  * @version $Id$
  */
 public class ToStringStyleConcurrencyTest {