src/java.base/share/classes/java/lang/invoke/StringConcatException.java

*** 24,33 ****
--- 24,35 ----
  package java.lang.invoke;
  
  /**
   * StringConcatException is thrown by {@link StringConcatFactory} when linkage
   * invariants are violated.
+  *
+  * @since 9
   */
  public class StringConcatException extends Exception {
      private static final long serialVersionUID = 292L + 9L;
  
      /**