diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,3 +3,8 @@
 ## 0.1.0.0 -- 2020-10-16
 
 * First version. Released on an unsuspecting world.
+
+## 0.1.1.0 -- 2020-10-16
+
+* First version revised A. Discontinued the support for the GHC-7.8.* series. 
+
diff --git a/Data/SubG.hs b/Data/SubG.hs
--- a/Data/SubG.hs
+++ b/Data/SubG.hs
@@ -5,12 +5,14 @@
 -- Stability   :  Experimental
 -- Maintainer  :  olexandr543@yahoo.com
 --
--- 
+-- Some extension to the 'F.Foldable' and 'Monoid' classes. Introduces a new class 'InsertLeft' -- the type of values that can be inserted from the left
+-- to the 'F.Foldable' structure that is simultaneously the 'Monoid' instance.
 
 {-# LANGUAGE MultiParamTypeClasses, FlexibleInstances #-}
 
 module Data.SubG (
-  subG
+  InsertLeft(..)
+  , subG
   , dropWhile
   , takeWhile
   , span
@@ -23,7 +25,8 @@
 
 infixr 1 %@, %^  
 
-class (Foldable t, Eq a, Eq (t a)) => InsertLeft t a where
+-- | Some extension to the 'F.Foldable' and 'Monoid' classes.  
+class (F.Foldable t, Eq a, Eq (t a)) => InsertLeft t a where
   (%@) :: a -> t a -> t a  -- infixr 1
   (%^) :: t a -> t (t a) -> t (t a)
 
@@ -31,9 +34,9 @@
   (%@) = (:)
   (%^) = (:)
 
--- | Inspired by: 'https://hackage.haskell.org/package/base-4.14.0.0/docs/src/Data.OldList.html#words'
+-- | Inspired by: https://hackage.haskell.org/package/base-4.14.0.0/docs/src/Data.OldList.html#words
 -- and Graham Hutton. A tutorial on the universality and expressiveness of fold. J. Functional Programming 9 (4): 355–372, July 1999.
--- that is available at the URL: 'https://www.cs.nott.ac.uk/~pszgmh/fold.pdf'.
+-- that is available at the URL: https://www.cs.nott.ac.uk/~pszgmh/fold.pdf.
 subG :: (InsertLeft t a, Monoid (t a), Monoid (t (t a))) => t a -> t a -> t (t a)
 subG whspss xs = if F.null ts then mempty else w %^ subG whspss s''
      where ts = dropWhile (`F.elem` whspss) xs
diff --git a/subG.cabal b/subG.cabal
--- a/subG.cabal
+++ b/subG.cabal
@@ -2,9 +2,9 @@
 -- see http://haskell.org/cabal/users-guide/
 
 name:                subG
-version:             0.1.0.0
+version:             0.1.1.0
 synopsis:            Some extension to the Foldable and Monoid classes.
-description:         Some extension to the Foldable and Monoid classes. Introduces a new class InsertLeft of the types that can be inserted with values from the left.
+description:         Some extension to the Foldable and Monoid classes. Introduces a new class InsertLeft -- the type of values that can be inserted from the left to the Foldable structure that is also a Monoid.
 homepage:            https://hackage.haskell.org/package/subG
 license:             MIT
 license-file:        LICENSE
@@ -20,6 +20,6 @@
   exposed-modules:     Data.SubG
   -- other-modules:
   other-extensions:    MultiParamTypeClasses, FlexibleInstances
-  build-depends:       base >=4.7 && <4.15
+  build-depends:       base >=4.8 && <4.15
   -- hs-source-dirs:
   default-language:    Haskell2010