diff --git a/Monadoro.cabal b/Monadoro.cabal
--- a/Monadoro.cabal
+++ b/Monadoro.cabal
@@ -4,12 +4,12 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 4a9c3a5404214ff07204618846c837fa6d4ee55918feb1d50c7d87b4fa78a688
+-- hash: d6b2ba1b516e7b755f0a246397bdaa935a401b24dfcebcec1b0b0a3c6b5c707a
 
 name:           Monadoro
-version:        0.2.1.0
-synopsis:       A minimalistic CLI Pomodoro timer, based on a library of the same purpose.
-description:    README is available at <https://gitlab.com/kocielnik/monadoro#readme>
+version:        0.2.1.1
+synopsis:       A minimalistic CLI Pomodoro timer.
+description:    A Pomodoro timer with two modes: single-pomodoro (default), and four-pomodoro (`--session`). README is available at <https://gitlab.com/kocielnik/monadoro#readme>.
 category:       Tools
 homepage:       https://github.com/gitlab.com/kocielnik#readme
 bug-reports:    https://github.com/gitlab.com/kocielnik/issues
@@ -70,5 +70,6 @@
       Monadoro
     , ansi-terminal >=0.8 && <1
     , base >=4.7 && <5
+    , doctest >=0.8
     , time >=1.8 && <2
   default-language: Haskell2010
diff --git a/src/ArgParse.hs b/src/ArgParse.hs
--- a/src/ArgParse.hs
+++ b/src/ArgParse.hs
@@ -21,6 +21,6 @@
 parse []     = countdown
 
 usage   = putStrLn "Usage: monadoro [-vh] [--session]"
-version = putStrLn "Monadoro 2.1.0"
+version = putStrLn "Monadoro 2.1.1"
 exit    = exitWith ExitSuccess
 die     = exitWith (ExitFailure 1)