[skip ci] Update config

reunion/dist/reunion.cfg

@@ -90,7 +90,10 @@ AuthVersion = 3
 
 # SteamIdHashSalt (string)
 # Salt string for SteamIDs hashing. Irreversibly changes SteamIDs. Prevents SteamID stealing.
-# Should be more than 31 chars length. If string is empty, hashing is not applied (AuthVersion < 3) or Reunion init will be failed (AuthVersion >= 3).
+# Should be more than or equal to 16 chars length.
+# AuthVersion <  3: If string is empty, hashing is not applied
+# AuthVersion >= 3: If string is empty, init will be failed
+# Recommended length is more than 31 chars
 SteamIdHashSalt = 
 
 # SC2009_RevCompatMode (0 / 1)