diff --git a/Monadoro.cabal b/Monadoro.cabal
--- a/Monadoro.cabal
+++ b/Monadoro.cabal
@@ -5,7 +5,7 @@
 -- see: https://github.com/sol/hpack
 
 name:           Monadoro
-version:        0.3.3.0
+version:        0.3.4.0
 synopsis:       A minimalistic CLI Pomodoro timer.
 description:    A Pomodoro timer with two modes: single-pomodoro (default), and four-pomodoro (`--session`).
 category:       Tools
diff --git a/src/CLI.hs b/src/CLI.hs
--- a/src/CLI.hs
+++ b/src/CLI.hs
@@ -25,7 +25,7 @@
 
 usage :: String
 usage = "Usage: monadoro [-h|--help] [-m|--man] [-v|--version] [--session]" ++
-  "[INTERVAL [...]]"
+  " [INTERVAL [...]]"
 
 runPomodoros :: [String] -> IO ()
 runPomodoros xs = do