diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -78,3 +78,7 @@
 ## 0.4.2.1 -- 2019-12-06
 
 * Fourth version revised I. Minor improvements to documentation.
+
+## 0.4.2.2 -- 2019-12-06
+
+* Fourth version revised J. Added an informative message after the creation of the .raw file.
diff --git a/Main.hs b/Main.hs
--- a/Main.hs
+++ b/Main.hs
@@ -55,6 +55,7 @@
          xs <- getContents
          let ys = take (nSymbols (let zs = take 1 args in if null zs then [] else head zs)) xs in 
              withBinaryFile (nameSF ++ ".raw") AppendMode (appendS16LEFile (convertToProperUkrainian ys))
+         putStrLn "The .raw file was created by the program. If there is SoX installed then it will run further. "
          let ts = showE "sox" in if isJust ts
                       then do 
                              callProcess (fromJust . unsafePerformIO . findExecutable . fromJust $ ts) ["-r22050","-c1","-L","-esigned-integer","-b16", nameSF ++ ".raw", nameSF ++ ".wav"]
diff --git a/mmsyn6ukr.cabal b/mmsyn6ukr.cabal
--- a/mmsyn6ukr.cabal
+++ b/mmsyn6ukr.cabal
@@ -2,7 +2,7 @@
 -- documentation, see http://haskell.org/cabal/users-guide/
 
 name:                mmsyn6ukr
-version:             0.4.2.1
+version:             0.4.2.2
 synopsis:            A musical instrument synthesizer or a tool for Ukrainian language listening
 description:         A program can be used as a musical instrument synthesizer or for Ukrainian speech synthesis especially for poets and writers
 homepage:            https://hackage.haskell.org/package/mmsyn6ukr