diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -109,3 +109,7 @@
 
 * Eleventh version. Added a second executable O2help that can be used to convert multiline Ukrainian text input to the needed String for the dobutokO2
 program. Rewritten DobutokO.Sound.Executable module to provide more modularity. 
+
+## 0.11.0.1 -- 2020-03-16
+
+* Eleventh version revised A. Some documentation improvement of README.markdown file.
diff --git a/README.markdown b/README.markdown
--- a/README.markdown
+++ b/README.markdown
@@ -55,9 +55,9 @@
      obertones using additional String and allows maximum control over
         the parameters.
 
-If you specified just one of the previous with the zero at the end, then to stop
-the Ukrainian textual input just press the keyboard keys combination that means
-an end of input (e. g. for Unices it is Ctrl + D).
+If you have prepared multiline Ukrainian textual input than to use it you
+can deal with O2help executable. It is simple converter of the multiline text
+into a String.
 
 After the program executing (it takes some time) there is a file "end.wav" in the directory.
 This is the resulting melody generated.
diff --git a/dobutokO2.cabal b/dobutokO2.cabal
--- a/dobutokO2.cabal
+++ b/dobutokO2.cabal
@@ -2,7 +2,7 @@
 -- documentation, see http://haskell.org/cabal/users-guide/
 
 name:                dobutokO2
-version:             0.11.0.0
+version:             0.11.0.1
 synopsis:            A program and a library to create experimental music from a mono audio and a Ukrainian text
 description:         It can also create a timbre for the notes
 homepage:            https://hackage.haskell.org/package/dobutokO2