diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -95,3 +95,7 @@
 
 * Eigth version revised B. Fixed issue with Sturges' rule and the respective function in the processText executable. For more information, please, see:
 Sturges H. (1926). The choice of a class-interval. J. Amer. Statist. Assoc., 21, 65-66.
+
+## 0.8.0.3 -- 2020-10-05
+
+* Eigth version revised C. Fixed issues with README.md file inaccuracies and for double import of the mconcat function.
diff --git a/Proportion/Main.hs b/Proportion/Main.hs
--- a/Proportion/Main.hs
+++ b/Proportion/Main.hs
@@ -51,7 +51,7 @@
 import Data.List (sort)
 import Data.Char (isAlpha)
 import Numeric.Stats
-import Data.Lists.FLines
+import Data.Lists.FLines hiding (mconcat)
 #ifdef __GLASGOW_HASKELL__
 #if __GLASGOW_HASKELL__==708
 /* code that applies only to GHC 7.8.* */
diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
-The real samples output files created by uniqVec03 package can be found in the archives on the following pages. 
+The real samples output files created by processText executable can be found in the archives on the following pages.
 
-These files are created by the uniqVec03 executable after Lynx dumping the web pages from the links on the following pages: 
+These files are created by the processText executable after Lynx dumping the web pages from the links on the following pages:
 
 TarasShevchenko -- http://poetyka.uazone.net/kobzar/zmist.html
 
@@ -20,13 +20,13 @@
 
 * The version of the uniqueness-periods-vector-examples used for them is 0.3.1.1
 
-The processment was done by Oleksandr Zhabenko, the author of the packages from uniqueness-periods-vector series. 
+The processment was done by Oleksandr Zhabenko, the author of the packages from uniqueness-periods-vector series.
 
 The zip archive can be downloaded from the link:
 
 https://web.archive.org/web/20200917200032/https://raw.githubusercontent.com/OleksandrZhabenko/uniqueness-periods-vector-examples/master/0.3.1.1.zip
 
-or from GitHub page: 
+or from GitHub page:
 
 https://github.com/OleksandrZhabenko/uniqueness-periods-vector-examples/blob/master/0.3.1.1.zip
 
@@ -52,8 +52,8 @@
 
 ------------------
 
-To enable parallel computations (potentially, it can speed up the work) for uniqVec03 executable, please run it with
+To enable parallel computations (potentially, it can speed up the work) for processText executable, please run it with
 
 +RTS -threaded -RTS
 
-command line options. 
+command line options.
diff --git a/uniqueness-periods-vector-examples.cabal b/uniqueness-periods-vector-examples.cabal
--- a/uniqueness-periods-vector-examples.cabal
+++ b/uniqueness-periods-vector-examples.cabal
@@ -3,7 +3,7 @@
 -- http://haskell.org/cabal/users-guide/
 
 name:                uniqueness-periods-vector-examples
-version:             0.8.0.2
+version:             0.8.0.3
 synopsis:            Usage examples for the uniqueness-periods-vector series of packages
 description:         Usage examples for the uniqueness-periods-vector series of packages. Several executables are planned to demonstrate the libraries work.
 homepage:            https://hackage.haskell.org/package/uniqueness-periods-vector-examples