diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,10 @@
 `relude` uses [PVP Versioning][1].
 The changelog is available [on GitHub][2].
 
+## 1.0.0.1 — Mar 15, 2021
+
+* Minor documentation changes.
+
 ## 1.0.0.0 — Mar 12, 2021
 
 * [#353](https://github.com/kowainik/relude/issues/353):
diff --git a/relude.cabal b/relude.cabal
--- a/relude.cabal
+++ b/relude.cabal
@@ -1,6 +1,6 @@
 cabal-version:       3.0
 name:                relude
-version:             1.0.0.0
+version:             1.0.0.1
 synopsis:            Safe, performant, user-friendly and lightweight Haskell Standard Library
 description:
     @__relude__@ is an alternative prelude library. If you find the default
diff --git a/src/Relude/Enum.hs b/src/Relude/Enum.hs
--- a/src/Relude/Enum.hs
+++ b/src/Relude/Enum.hs
@@ -8,7 +8,7 @@
 Reexports 'Enum' related typeclasses and functions. Also introduces a few useful
 helpers to work with Enums.
 
-**Note:** 'universe', 'universeNonEmpty' and 'inverseMap' were previously in the
+__Note:__ 'universe', 'universeNonEmpty' and 'inverseMap' were previously in the
 extra modules, but due to their benefit in different use cases. If you imported
 @Relude.Extra.Enum@ module, you can remove it now, as these functions are
 reexported in the main "Relude" module.
diff --git a/src/Relude/Extra/Foldable1.hs b/src/Relude/Extra/Foldable1.hs
--- a/src/Relude/Extra/Foldable1.hs
+++ b/src/Relude/Extra/Foldable1.hs
@@ -407,3 +407,32 @@
 average1 :: forall a f . (Foldable1 f, Fractional a) => f a -> a
 average1 = uncurry (/) . foldl' (\(!total, !count) x -> (total + x, count + 1)) (0,0)
 {-# INLINE average1 #-}
+
+{-
+Copyright 2011-2015 Edward Kmett
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+
+1. Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
+IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+-}
diff --git a/src/Relude/Extra/Lens.hs b/src/Relude/Extra/Lens.hs
--- a/src/Relude/Extra/Lens.hs
+++ b/src/Relude/Extra/Lens.hs
@@ -2,7 +2,7 @@
 {-# LANGUAGE Safe       #-}
 
 {- |
-Copyright:  (c) 2013-2016 Edward Kmett
+Copyright:  (c) 2012-2016 Edward Kmett
             (c) 2019-2021 Kowainik
 SPDX-License-Identifier: MIT
 Maintainer:  Kowainik <xrom.xkov@gmail.com>
@@ -244,3 +244,33 @@
 (%~) :: Lens' s a -> (a -> a) -> s -> s
 (%~) = over
 {-# INLINE (%~) #-}
+
+
+{-
+Copyright 2012-2016 Edward Kmett
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+
+1. Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
+IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+-}