diff --git a/Hach.cabal b/Hach.cabal
--- a/Hach.cabal
+++ b/Hach.cabal
@@ -1,5 +1,5 @@
 Name:                   Hach
-Version:                0.0.1
+Version:                0.0.1.1
 Category:               Network
 Description:            Simple chat
 Synopsis:               Simple chat
@@ -35,7 +35,7 @@
   Other-modules:        Format
 
 Executable hach-nclient
-  Build-Depends:        vty == 4.7.0.12,
+  Build-Depends:        vty < 4.8,
                         vty-ui == 1.5
   Main-is:              Client.hs
   HS-Source-Dirs:       nclient, libhach
diff --git a/client/Format.hs b/client/Format.hs
--- a/client/Format.hs
+++ b/client/Format.hs
@@ -1,25 +1,20 @@
 {-# LANGUAGE UnicodeSyntax #-}
--- | Client format module
 
 module Format where
 
 import Hach.Types
 
--- | Format of message in client
 format ∷ S2C → String
 format (SMessage nick _) = "[%s] <" ++ nick ++ ">: %s\n"
 format (SAction  nick _) = "[%s] *" ++ nick ++ " %s\n"
 format (SSetNick nick _) = "[%s] "  ++ nick ++ " %s\n"
 format (SSystem       _) = "[%s] ! %s\n"
 
--- | Format of timestamp in client
 timeFormat ∷ String
 timeFormat = "%H:%M:%S"
 
--- | Special prefix of CAction message
 commandAction ∷ String
 commandAction = "/me "
 
--- | Special prefix of CSetNick message
 commandSetNick ∷ String
 commandSetNick = "/nick "