diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -50,3 +50,7 @@
 ## 0.4.0.2 -- 2019-12-06
 
 * Fourth version revised B. Fixed issues with the documentation.
+
+## 0.4.0.3 -- 2019-12-06
+
+* Fourth version revised C. Fixed issues with the documentation.
diff --git a/Melodics/Ukrainian.hs b/Melodics/Ukrainian.hs
--- a/Melodics/Ukrainian.hs
+++ b/Melodics/Ukrainian.hs
@@ -312,11 +312,12 @@
               | otherwise = getBFst' (False, V.fromList . map (\x -> (x, True)) $ "'-\700\1028\1030\1031\1068\1100\1102\1103\1108\1110\1111\1168\1169\8217") y
 
 -- | Function that converts the first command line argument given, which is a digit in the range @[0..9]@ 
--- (prividing a logarithmic scale starting from 2 and ending at 1000000001), 
+-- (providing an ascennding logarithmic scale starting from 2 and ending at 1000000001), 
 -- to the upper bound of number of symbols that the 'Main.main' function reads from the @stdin@ for sounding.
--- The default value (no input) is 31416. If there is another first command line argument then the program gives 
--- an error message and terminates with the error. This is done for the security reasons: because of performative writing to
--- the resulting file(s) there is a need to limit the used memory.
+-- The default value (no input) is 31416. If there is another first command line argument then the program 
+-- terminates with the error and informational message. Using the command line argument is done for the security reasons: 
+-- because of performative writing to the resulting file(s) there is a need to limit the used memory. For most cases it is
+-- enough to use the default value. If you have enough resources and a large Ukrainian text amount then specify the higher values.
 nSymbols :: String -> Int
 nSymbols xs | null xs = 31416::Int
             | otherwise = getBFst' (31416::Int, V.generate 10 (\n -> (n, (10^n + 1)::Int))) (let temp = read xs::Int in if temp <= 9 && temp >= 1
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:             0.4.0.2
+version:             0.4.0.3
 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