diff --git a/crypto/src/main/java/org/openjax/security/crypto/AES.java b/crypto/src/main/java/org/openjax/security/crypto/AES.java
index 41a2702..188798c 100644
--- a/crypto/src/main/java/org/openjax/security/crypto/AES.java
+++ b/crypto/src/main/java/org/openjax/security/crypto/AES.java
@@ -153,7 +153,7 @@ private static byte[] concat(final byte[] a, final byte[] b, final byte[] c) {
    * @param password The password to be used for encryption.
    * @param salt The SALT (length must equal 8).
    * @return The encrypted data.
-   * @throws NullPointerException If {@code data}, {@code password} or {@code salt} is null.
+   * @throws NullPointerException If {@code data}, {@code password}, or {@code salt} is null.
    * @throws IllegalArgumentException If {@code salt.length != 8}.
    */
   public abstract byte[] encrypt(byte[] data, String password, byte[] salt);