A colleague reports this typo:

diff -r 07a3945d54f5 src/java.base/share/classes/java/util/Locale.java
--- a/src/java.base/share/classes/java/util/Locale.java Tue Sep 27 11:46:01 2016 +0100
+++ b/src/java.base/share/classes/java/util/Locale.java Fri Sep 30 15:19:47 2016 +0100
@@ -1027,7 +1027,7 @@
      * not contain ALL valid codes that can be used to create Locales.
      * </ul>
      *
- * @return Am array of ISO 639 two-letter language codes.
+ * @return An array of ISO 639 two-letter language codes.
      */
     public static String[] getISOLanguages() {
         if (isoLanguages == null) {