diff --git a/phpseclib/Net/SSH2.php b/phpseclib/Net/SSH2.php
index 1426cc92..a68288a6 100644
--- a/phpseclib/Net/SSH2.php
+++ b/phpseclib/Net/SSH2.php
@@ -146,7 +146,10 @@ class SSH2
      */
     const READ_REGEX = 2;
     /**
-     * Returns when a string matching the regular expression $expect is found
+     * Returns whenever a data packet is received.
+     *
+     * Some data packets may only contain a single character so it may be necessary
+     * to call read() multiple times when using this option
      */
     const READ_NEXT = 3;
     /**#@-*/