diff --git a/src/java.base/share/classes/java/lang/classfile/ClassReader.java b/src/java.base/share/classes/java/lang/classfile/ClassReader.java
index 50088c116e7..7b181180c6f 100644
--- a/src/java.base/share/classes/java/lang/classfile/ClassReader.java
+++ b/src/java.base/share/classes/java/lang/classfile/ClassReader.java
@@ -126,7 +126,7 @@ public sealed interface ClassReader extends ConstantPool
      * @param cls the entry type
      * @throws ConstantPoolException if the index is out of range of the
      *         constant pool size, or zero, or the entry is not of the given type
-     * @since 24
+     * @since 23
      */
     <T extends PoolEntry> T readEntryOrNull(int offset, Class<T> cls);
 
diff --git a/src/java.base/share/classes/java/lang/classfile/constantpool/ConstantPool.java b/src/java.base/share/classes/java/lang/classfile/constantpool/ConstantPool.java
index 793bf1f9258..ef6f75955b2 100644
--- a/src/java.base/share/classes/java/lang/classfile/constantpool/ConstantPool.java
+++ b/src/java.base/share/classes/java/lang/classfile/constantpool/ConstantPool.java
@@ -69,7 +69,7 @@ public sealed interface ConstantPool extends Iterable<PoolEntry>
      * @param cls the entry type
      * @throws ConstantPoolException if the index is out of range of the
      *         constant pool, or the entry is not of the given type
-     * @since 24
+     * @since 23
      */
     <T extends PoolEntry> T entryByIndex(int index, Class<T> cls);