chore(SecureRandom): intermediate fixup

Signed-off-by: Josh <josh.t.richards@gmail.com>

Author: joshtrichards

lib/private/Security/SecureRandom.php

@@ -18,6 +18,13 @@
  */
 class SecureRandom implements ISecureRandom {
 	#[\Override]
+	/**
+	 * Generate a secure random string of specified length.
+	 * @param int $length The length of the generated string
+	 * @param string $characters An optional list of characters to use if no character list is
+	 *                           specified all valid base64 characters are used.
+	 * @throws \LengthException if an invalid length is requested
+	 */
 	public function generate(
 		int $length,
 		string $characters = ISecureRandom::CHAR_BASE64_RFC4648,