diff --git a/readme.md b/readme.md
index 756b312..a954892 100644
--- a/readme.md
+++ b/readme.md
@@ -38,7 +38,7 @@ $ftp->login($username, $password);
 Upload the file
 
 ```php
-$ftp->put($destination_file, $source_file, FTP_BINARY);
+$ftp->put($destination_file, $source_file, Ftp::Binary);
 ```
 
 Close the FTP stream
@@ -55,7 +55,7 @@ try {
 	$ftp = new Ftp;
 	$ftp->connect($host);
 	$ftp->login($username, $password);
-	$ftp->put($destination_file, $source_file, FTP_BINARY);
+	$ftp->put($destination_file, $source_file, Ftp::Binary);
 
 } catch (FtpException $e) {
 	echo 'Error: ', $e->getMessage();
diff --git a/src/Ftp.php b/src/Ftp.php
index cd91838..d9094a9 100644
--- a/src/Ftp.php
+++ b/src/Ftp.php
@@ -43,19 +43,22 @@
  */
 class Ftp
 {
-	/**#@+ FTP constant alias */
 	public const ASCII = FTP_ASCII;
-	public const TEXT = FTP_TEXT;
-	public const BINARY = FTP_BINARY;
-	public const IMAGE = FTP_IMAGE;
-	public const TIMEOUT_SEC = FTP_TIMEOUT_SEC;
-	public const AUTOSEEK = FTP_AUTOSEEK;
-	public const AUTORESUME = FTP_AUTORESUME;
-	public const FAILED = FTP_FAILED;
-	public const FINISHED = FTP_FINISHED;
-	public const MOREDATA = FTP_MOREDATA;
-
-	/**#@-*/
+	public const Text = FTP_TEXT;
+	public const Binary = FTP_BINARY;
+	public const Image = FTP_IMAGE;
+	public const Timeout = FTP_TIMEOUT_SEC;
+	public const AutoSeek = FTP_AUTOSEEK;
+	public const AutoResume = FTP_AUTORESUME;
+	public const Failed = FTP_FAILED;
+	public const Finished = FTP_FINISHED;
+	public const MoreData = FTP_MOREDATA;
+
+	/** @deprecated */
+	public const BINARY = self::Binary;
+
+	/** @deprecated */
+	public const TEXT = self::Text;
 
 	private const Aliases = [
 		'sslconnect' => 'ssl_connect',