diff --git a/ojluni/src/main/java/java/net/URLClassLoader.java b/ojluni/src/main/java/java/net/URLClassLoader.java
index edb9b88..fb62290 100644
--- a/ojluni/src/main/java/java/net/URLClassLoader.java
+++ b/ojluni/src/main/java/java/net/URLClassLoader.java
@@ -180,6 +180,7 @@
      * @exception  SecurityException  if a security manager exists and its
      *             {@code checkCreateClassLoader} method doesn't allow
      *             creation of a class loader.
+     * @exception  NullPointerException if {@code urls} is {@code null}.
      * @see SecurityManager#checkCreateClassLoader
      */
     public URLClassLoader(URL[] urls, ClassLoader parent,
@@ -271,13 +272,13 @@
     * and errors are not caught. Calling close on an already closed
     * loader has no effect.
     * <p>
-    * @throws IOException if closing any file opened by this class loader
+    * @exception IOException if closing any file opened by this class loader
     * resulted in an IOException. Any such exceptions are caught internally.
     * If only one is caught, then it is re-thrown. If more than one exception
     * is caught, then the second and following exceptions are added
     * as suppressed exceptions of the first one caught, which is then re-thrown.
     *
-    * @throws SecurityException if a security manager is set, and it denies
+    * @exception SecurityException if a security manager is set, and it denies
     *   {@link RuntimePermission}{@code ("closeClassLoader")}
     *
     * @since 1.7