diff --git a/execute/shell/Graphics/Gnuplot/Execute.hs b/execute/shell/Graphics/Gnuplot/Execute.hs
--- a/execute/shell/Graphics/Gnuplot/Execute.hs
+++ b/execute/shell/Graphics/Gnuplot/Execute.hs
@@ -1,8 +1,9 @@
 module Graphics.Gnuplot.Execute where
 
 import Graphics.Gnuplot.Private.OS (gnuplotName, )
-import Graphics.Gnuplot.Utility (quote, semiColonConcat, )
+import Graphics.Gnuplot.Utility (semiColonConcat, )
 
+import Shell.Utility.Quote as Quote
 import System.Exit (ExitCode, )
 import System.Cmd (system, )
 
@@ -13,7 +14,7 @@
    -> IO ExitCode
 simple program options =
    let cmd =
-          "sh -c 'echo " ++ quote (semiColonConcat program) ++
+          "sh -c 'echo " ++ Quote.minimal (semiColonConcat program) ++
                  " | " ++ gnuplotName ++ " " ++ unwords options ++ "'"
    in  do --putStrLn cmd
           system cmd
diff --git a/gnuplot.cabal b/gnuplot.cabal
--- a/gnuplot.cabal
+++ b/gnuplot.cabal
@@ -1,5 +1,5 @@
 Name:             gnuplot
-Version:          0.5.6
+Version:          0.5.6.1
 License:          BSD3
 License-File:     LICENSE
 Author:           Henning Thielemann <haskell@henning-thielemann.de>
@@ -51,7 +51,7 @@
   data/runtime.data
 
 Source-Repository this
-  Tag:         0.5.6
+  Tag:         0.5.6.1
   Type:        darcs
   Location:    http://code.haskell.org/gnuplot/
 
@@ -84,7 +84,7 @@
     semigroups >=0.1 && <1.0,
     deepseq >=1.0 && <1.5,
     process >=1.0 && <1.7,
-    time >=1.5 && <1.9,
+    time >=1.5 && <1.10,
     base >=2 && <5
 
   GHC-Options: -Wall
@@ -95,6 +95,7 @@
   Else
     If flag(executeShell)
       Hs-Source-Dirs: execute/shell
+      Build-Depends: shell-utility >=0.0 && <0.1
     Else
       Hs-Source-Dirs: execute/tmp
   If os(windows)
diff --git a/src/Graphics/Gnuplot/Simple.hs b/src/Graphics/Gnuplot/Simple.hs
--- a/src/Graphics/Gnuplot/Simple.hs
+++ b/src/Graphics/Gnuplot/Simple.hs
@@ -5,6 +5,10 @@
 instead we provide an advanced modularized interface
 in "Graphics.Gnuplot.Advanced".
 
+Here is a pretty simple example:
+
+> Graphics.Gnuplot.Simple> plotFunc [] (linearScale 1000 (-10,10::Double)) sin
+
 This was formerly part of the htam package.
 -}
 module Graphics.Gnuplot.Simple (