diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -47,3 +47,7 @@
 splitF code with the usage of the modified Data.List.unfoldr code to improve performance.
 Some documentation improvements.
 
+## 0.2.3.1 -- 2023-03-17
+
+* Second version revised E. Some minor code improvement. Documentation improvements.
+
diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -5,16 +5,28 @@
 with the general name of PhLADiPreLiO (phladiprelio) — Phonetic Languages Approach to
 Discovering the Preferred Line Options — that is to the topic of creating
 texts and music with some properties, e. g. poetic.
-See: 
-https://oleksandrzhabenko.github.io/uk/rhythmicity/PhLADiPreLiO.Eng.21.pdf
-https://oleksandrzhabenko.github.io/uk/rhythmicity/PhLADiPreLiO.Eng.21.html
 
+The previous extended implementation and its documentation are at the links:
+
+https://hackage.haskell.org/package/phonetic-languages-simplified-examples-array
+
+[Ukrainian documentation](https://oleksandrzhabenko.github.io/uk/rhythmicity/PhLADiPreLiO.Ukr.21.pdf)
+
+[English documentation](https://oleksandrzhabenko.github.io/uk/rhythmicity/PhLADiPreLiO.Eng.21.pdf)
+
+The documentation for  the  new implementation is available at the following links.
+[Новий текст теорії](https://oleksandr-zhabenko.github.io/uk/rhythmicity/phladiprelioUkr.pdf)
+
+[New implementation](https://oleksandr-zhabenko.github.io/uk/rhythmicity/phladiprelioEng.pdf)
+
 It is the way to evaluate the rhythmic properties accordingly to the basic ideas there 
 and to avoid the issues with the previous realization.
 
 P.S.: the author would like to devote this project to support the Foundation GASTROSTARS.
+At the day of publication of the first version of the package (12/03/2023) there is
+the foundation founder's (this is [Emma Kok](https://www.emmakok.nl)) Birthday. 
 If you would like to share some financial support, please, contact the foundation
 using the URL:
 
-https://gastrostars.nl/hou-mij-op-de-hoogte
+[Contact Foundation GASTROSTARS](https://gastrostars.nl/hou-mij-op-de-hoogte)
 
diff --git a/rhythmic-sequences.cabal b/rhythmic-sequences.cabal
--- a/rhythmic-sequences.cabal
+++ b/rhythmic-sequences.cabal
@@ -2,7 +2,7 @@
 name:               rhythmic-sequences
 
 -- The package version.
-version:            0.2.3.0
+version:            0.2.3.1
 
 -- A short (one-line) description of the package.
 synopsis:
diff --git a/src/Rhythmicity/MarkerSeqs.hs b/src/Rhythmicity/MarkerSeqs.hs
--- a/src/Rhythmicity/MarkerSeqs.hs
+++ b/src/Rhythmicity/MarkerSeqs.hs
@@ -84,7 +84,7 @@
 -- efficiently just for the finite lists. Contains the modified code of the 'Data.List.unfoldr'
 -- function from the @base@ package.
 splitF :: Int -> [a] -> [[a]]
-splitF n ys = let q = length ys `quot` n in take q . g (\xs -> splitAt n xs) $ ys
+splitF n ys = let q = length ys `quot` n in take q . g (splitAt n) $ ys
   where {-# INLINE g #-} -- Is a modified 'Data.List.unfoldr' code.
         g f b0 = build (\c n ->
           let go b = case f b of