diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -70,5 +70,9 @@
 
 ## 0.8.0.0 -- 2020-03-12
 
-* Eigth version. Added the new functions to the library that allows to produce richer sounds especially 'oberSoXSynth2FDN' one. The user can now specify a
+* Eigth version. Added the new functions to the library that allow to produce richer sounds especially 'oberSoXSynth2FDN' one. The user can now specify a
 function to be passed as an argument to it and obtain therefore own obertones formula. Added OPTIONS_GHC pragma to the module DobutokO.Sound.
+
+## 0.8.0.1 -- 2020-03-12
+
+* Eigth version revised A. Added the new functions to the exporting by the library.
diff --git a/DobutokO/Sound.hs b/DobutokO/Sound.hs
--- a/DobutokO/Sound.hs
+++ b/DobutokO/Sound.hs
@@ -24,7 +24,12 @@
   , oberSoXSynth2
   , oberSoXSynthN2
   , oberSoXSynthN3
-  -- *** Uses a file for information
+  -- *** Use additional parameters
+  , oberSoXSynthDN
+  , oberSoXSynth2DN
+  -- *** Use additional function as a parameter
+  , oberSoXSynth2FDN 
+  -- *** Use a file for information
   , oberSoXSynthNGen
   , oberSoXSynthNGen2
   , oberSoXSynthNGen3
@@ -37,7 +42,7 @@
   , uniqOberSoXSynth2
   , uniqOberSoXSynthN3
   , uniqOberSoXSynthN4
-  -- *** Uses a file for information
+  -- *** Use a file for information
   , uniqOberSoXSynthNGen
   , uniqOberSoXSynthNGen3
   -- ** Work with octaves
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:             0.8.0.0
+version:             0.8.0.1
 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