diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -3,3 +3,7 @@
 ## 0.1.0.0 -- 2020-08-16
 
 * First version. Released on an unsuspecting world.
+
+## 0.2.0.0 -- 2020-08-18
+
+* Second version. Some documentation improvements.
diff --git a/String/UniquenessPeriodsG.hs b/String/UniquenessPeriodsG.hs
--- a/String/UniquenessPeriodsG.hs
+++ b/String/UniquenessPeriodsG.hs
@@ -9,7 +9,7 @@
 -- @uniqueness-periods@ package functions. Provides the generalization of them. 
 -- For all the used conversion functions of the type @g :: String -> Vector String@ 
 -- it is important that they are stable for the repeated application (their result after 
--- the first application cannon be changed by the rules in the function into new variants). 
+-- the first application cannot be changed by the rules in the function into new variants). 
 -- Otherwise, the recursive scheme of the functions in the module will lead to wrong results.
 -- So the conversion function should work the following way (@xs@ denotes a word in the language) in GHCi: 
 --
@@ -19,7 +19,7 @@
 -- > v == v2
 -- > True
 -- 
--- Or in the other words, for the single word, @g . concat . toList . g = g@.
+-- Or in the other words, for the single word, @g . concat . toList . g = g@;
 -- 
 
 module String.UniquenessPeriodsG (
@@ -42,7 +42,7 @@
 import Data.List ((\\),nubBy)
 
 -- | Function 'listToString' converts the list of Strings being the sequential sounds representations into the text with whitespaces
--- (whitespaces are substituted instead of punctuation symbols, too) and some phonetical conversions. The first argument must be a list of 'String', 
+-- (whitespaces are substituted instead of punctuation symbols, too) and some phonetic conversions. The first argument must be a list of 'String', 
 -- each of which is a representation for the white space (or more generally, non-sound symbol representation).
 listToString :: [String] -> [String] -> String
 listToString whspss = concatMap (\ts -> if ts `elem` whspss then " " else ts)
@@ -55,8 +55,9 @@
  | xs `elem` whspss || ys `elem` whspss = False
  | otherwise = xs == ys      
 
--- | The same as @show7s''@, but the second element in the resulting tuple is again the text with whitespaces (whitespaces are substituted
--- instead of punctuation symbols, too) and some phonetical conversions. The first argument must be a list of 'String', 
+-- | The same as @show7s''@ from MMSyn7s module (@mmsyn7s@ package), but the second element in the resulting tuple is again the text with 
+-- whitespaces (whitespaces are substituted
+-- instead of punctuation symbols, too) and some phonetic conversions. The first argument must be a list of 'String', 
 -- each of which is a representation for the white space (or more generally, non-sound symbol representation).
 show7s''' :: [String] -> [String] -> ([String],String)
 show7s''' whspss zss =
@@ -68,9 +69,9 @@
 
 -- | Function 'show7s5' takes a text being a @String@ and returns a tuple, the first element of which is a list of Strings that correspond to the 
 -- sounds representations that (except pauses) are unique and are not repeated starting from the beginning of the given text (this list is filtered from 
--- the representations for the silence and then sorted in the ascending order), and the second one is a @String@ obtained from the remainder
+-- the representations for the silence), and the second one is a @String@ obtained from the remainder
 -- list of Strings starting from the first duplicated non-silent sound representation with whitespaces (whitespaces are substituted
--- instead of punctiuation symbols, too) and some phonetical conversions. The first argument must be a list of 'String', 
+-- instead of punctiuation symbols, too) and some phonetic conversions. The first argument must be a list of 'String', 
 -- each of which is a representation for the white space (or more generally, non-sound symbol representation). The second argument is a function that 
 -- converts a 'String' of the text into the 'V.Vector' of sound representations for that language. 
 show7s5 :: [String] -> (String -> V.Vector String) -> String -> ([String], String)
@@ -87,7 +88,7 @@
       
 -- | Function 'uniquenessPeriods' takes a text being a @String@ and returns a list of Ints. Each Int value is a number of 
 -- the sounds representations (non-silent ones) being unique and not duplicated alongside the given text starting from the beginning to the end.
--- This function provides some important information about the phonetic and in some cases semantical structures of the text. 
+-- This function provides some important information about the phonetic and in some cases semantic structures of the text. 
 -- The first argument must be a list of 'String', 
 -- each of which is a representation for the white space (or more generally, non-sound symbol representation). The second argument is a function that 
 -- converts a 'String' of the text into the 'V.Vector' of sound representations for that language. 
@@ -102,7 +103,7 @@
 show7snc :: [String] -> [String] -> [Int]
 show7snc whspss xss = let (tss,vss) = show7sn4' whspss xss in if null vss then [length tss] else length tss:show7snc whspss vss
                            
--- | The same as @show7sn'''@, but does not concatenate the list of 'String' as the second tuple's element. 
+-- | The same as @show7sn'''@ from the MMSyn7s module from the @mmsyn7s@ package, but does not concatenate the list of 'String' as the second tuple's element. 
 -- The first argument must be a list of 'String', 
 -- each of which is a representation for the white space (or more generally, non-sound symbol representation). 
 show7sn4' :: [String] -> [String] -> ([String],[String])
diff --git a/uniqueness-periods-general.cabal b/uniqueness-periods-general.cabal
--- a/uniqueness-periods-general.cabal
+++ b/uniqueness-periods-general.cabal
@@ -2,7 +2,7 @@
 -- further documentation, see http://haskell.org/cabal/users-guide/
 
 name:                uniqueness-periods-general
-version:             0.1.0.0
+version:             0.2.0.0
 synopsis:            Can be used to produce the similar to 'String.Ukrainian.UniquenessPeriods' functions.
 description:         Can be used to produce the similar to 'String.Ukrainian.UniquenessPeriods' from uniqueness-periods package functions. Provides the generalization of them.
 homepage:            https://hackage.haskell.org/package/uniqueness-periods-general
