diff --git a/proto.txt b/proto.txt
index 278abc0eb359f4da93684494c74a8d82ab99f750..3314ad8246fbc9c8a2445a041d8aa2783ecaaa9e 100644
--- a/proto.txt
+++ b/proto.txt
@@ -21,7 +21,7 @@ All server responses are on one line and are prefixed by a three digit response
 === User Auth ===
 c	USER <username>\n
 s	100 SALT <string 4-8>\n
-c	PASS <SHA-512 Hash>\n	(Hash of <username><salt><password>)
+c	PASS <Hash>\n	(Hex-Encoded SHA-512 Hash of <username><salt><password>)
 s	200 Auth OK\n or 401 Auth Failure\n
 User is now authenticated