diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,10 @@
 # Changelog for path-extensions
 
+## v0.1.1.0
+
+* Add docx, odt, rtf, sh, tex, txt and wiki extensions.
+* Fix error with gif and hs extensions.
+
 ## v0.1.0.0
 
 * Add docstrings.
diff --git a/LICENSE b/LICENSE
--- a/LICENSE
+++ b/LICENSE
@@ -1,30 +1,19 @@
-Copyright Daniel Firth (c) 2020
-
-All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are met:
-
-    * Redistributions of source code must retain the above copyright
-      notice, this list of conditions and the following disclaimer.
+Copyright (c) 2020 Daniel Firth
 
-    * 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.
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
 
-    * Neither the name of Author name here nor the names of other
-      contributors may be used to endorse or promote products derived
-      from this software without specific prior written permission.
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
 
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-"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 COPYRIGHT
-OWNER 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.
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/path-extensions.cabal b/path-extensions.cabal
--- a/path-extensions.cabal
+++ b/path-extensions.cabal
@@ -5,14 +5,14 @@
 -- see: https://github.com/sol/hpack
 
 name:           path-extensions
-version:        0.1.0.1
+version:        0.1.1.0
 synopsis:       Enumeration of common filetype extensions for use with the path library.
 description:    Enumeration of common filetype extensions for use with the path library, add variants for adding an extension to a path and with variants for replacing an existing extension.
 category:       Filesystem
 author:         Daniel Firth
 maintainer:     dan.firth@homotopic.tech
 copyright:      2020 Daniel Firth
-license:        BSD3
+license:        MIT
 license-file:   LICENSE
 build-type:     Simple
 extra-source-files:
@@ -30,6 +30,7 @@
       Paths_path_extensions
   hs-source-dirs:
       src
+  ghc-options: -Wall -Wcompat -Wincomplete-record-updates -Wincomplete-uni-patterns -Wredundant-constraints
   build-depends:
       base >=4.7 && <5
     , exceptions
diff --git a/src/Path/Extensions.hs b/src/Path/Extensions.hs
--- a/src/Path/Extensions.hs
+++ b/src/Path/Extensions.hs
@@ -1,8 +1,19 @@
+{- |
+   Module     : Path.Extensions
+   Copyright  : Copyright (C) 2020 Daniel Firth
+   Maintainer : Daniel Firth <dan.firth@homotopic.tech
+   License    : MIT
+   Stability  : provisional
+
+Enumeration of file extensions for use with the Path library.
+-}
+
 module Path.Extensions (
   -- * Raw Extension Strings
   cExtension
 , cppExtension
 , cssExtension
+, docxExtension
 , gifExtension
 , hsExtension
 , htmlExtension
@@ -12,17 +23,24 @@
 , mp3Extension
 , mp4Extension
 , oExtension
+, odtExtension
 , pdfExtension
 , phpExtension
 , pngExtension
 , pyExtension
+, rtfExtension
+, shExtension
 , svgExtension
+, texExtension
+, txtExtension
 , xmlExtension
+, wikiExtension
 
   -- * Add Extensions
 , addCExtension
 , addCppExtension
 , addCssExtension
+, addDocxExtension
 , addGifExtension
 , addHsExtension
 , addHtmlExtension
@@ -32,17 +50,24 @@
 , addMp3Extension
 , addMp4Extension
 , addOExtension
+, addOdtExtension
 , addPdfExtension
 , addPhpExtension
 , addPngExtension
 , addPyExtension
+, addRtfExtension
+, addShExtension
 , addSvgExtension
+, addTexExtension
+, addTxtExtension
 , addXmlExtension
+, addWikiExtension
 
   -- * Replace Extensions
 , withCExtension
 , withCppExtension
 , withCssExtension
+, withDocxExtension
 , withGifExtension
 , withHsExtension
 , withHtmlExtension
@@ -52,12 +77,18 @@
 , withMp3Extension
 , withMp4Extension
 , withOExtension
+, withOdtExtension
 , withPdfExtension
 , withPhpExtension
 , withPngExtension
 , withPyExtension
+, withRtfExtension
+, withShExtension
 , withSvgExtension
+, withTexExtension
+, withTxtExtension
 , withXmlExtension
+, withWikiExtension
 ) where
 
 import           Control.Monad.Catch
@@ -75,6 +106,10 @@
 cssExtension :: String
 cssExtension  = ".css"
 
+-- | The string ".docx"
+docxExtension :: String
+docxExtension = ".docx"
+
 -- | The string ".gif".
 gifExtension :: String
 gifExtension  = ".gif"
@@ -111,6 +146,10 @@
 oExtension :: String
 oExtension    = ".o"
 
+-- | The string ".odt"
+odtExtension :: String
+odtExtension = ".odt"
+
 -- | The string ".pdf".
 pdfExtension :: String
 pdfExtension  = ".pdf"
@@ -127,14 +166,34 @@
 pyExtension :: String
 pyExtension = ".py"
 
+-- | The string ".rtf".
+rtfExtension :: String
+rtfExtension = ".rtf"
+
+-- | The string ".sh"
+shExtension :: String
+shExtension = ".sh"
+
 -- | The string ".svg"
 svgExtension :: String
 svgExtension = ".svg"
 
+-- | The string ".tex"
+texExtension :: String
+texExtension = ".tex"
+
+-- | The string ".txt"
+txtExtension :: String
+txtExtension = ".txt"
+
 -- | The string ".xml".
 xmlExtension :: String
 xmlExtension  = ".xml"
 
+-- | The string ".wiki"
+wikiExtension :: String
+wikiExtension = ".wiki"
+
 -- | Add a ".c" extension to the end of a `File`.
 addCExtension :: MonadThrow m => Path b File -> m (Path b File)
 addCExtension = addExtension cExtension
@@ -147,13 +206,17 @@
 addCssExtension :: MonadThrow m => Path b File -> m (Path b File)
 addCssExtension = addExtension cssExtension
 
+-- | Add a ".docx" extension to the end of a `File`.
+addDocxExtension :: MonadThrow m => Path b File -> m (Path b File)
+addDocxExtension = addExtension docxExtension
+
 -- | Add a ".gif" extension to the end of a `File`.
 addGifExtension :: MonadThrow m => Path b File -> m (Path b File)
-addGifExtension = addExtension cExtension
+addGifExtension = addExtension gifExtension
 
 -- | Add a ".hs" extension to the end of a `File`.
 addHsExtension :: MonadThrow m => Path b File -> m (Path b File)
-addHsExtension  = addExtension gifExtension
+addHsExtension  = addExtension hsExtension
 
 -- | Add a ".html" extension to the end of a `File`.
 addHtmlExtension :: MonadThrow m => Path b File -> m (Path b File)
@@ -183,6 +246,10 @@
 addOExtension :: MonadThrow m => Path b File -> m (Path b File)
 addOExtension = addExtension oExtension
 
+-- | Add a ".odt" extension to the end of a `File`.
+addOdtExtension :: MonadThrow m => Path b File -> m (Path b File)
+addOdtExtension = addExtension odtExtension
+
 -- | Add a ".pdf" extension to the end of a `File`.
 addPdfExtension :: MonadThrow m => Path b File -> m (Path b File)
 addPdfExtension = addExtension pdfExtension
@@ -199,14 +266,34 @@
 addPyExtension :: MonadThrow m => Path b File -> m (Path b File)
 addPyExtension = addExtension pyExtension
 
+-- | Add a ".rtf" extension to the end of a `File`.
+addRtfExtension :: MonadThrow m => Path b File -> m (Path b File)
+addRtfExtension = addExtension rtfExtension
+
+-- | Add a ".sh" extension to the end of a `File`.
+addShExtension :: MonadThrow m => Path b File -> m (Path b File)
+addShExtension = addExtension shExtension
+
 -- | Add a ".svg" extension to the end of a `File`.
 addSvgExtension :: MonadThrow m => Path b File -> m (Path b File)
 addSvgExtension = addExtension svgExtension
 
+-- | Add a ".tex" extension to the end of a `File`.
+addTexExtension :: MonadThrow m => Path b File -> m (Path b File)
+addTexExtension = addExtension texExtension
+
+-- | Add a ".txt" extension to the end of a `File`.
+addTxtExtension :: MonadThrow m => Path b File -> m (Path b File)
+addTxtExtension = addExtension txtExtension
+
 -- | Add a ".xml" extension to the end of a `File`.
 addXmlExtension :: MonadThrow m => Path b File -> m (Path b File)
 addXmlExtension = addExtension xmlExtension
 
+-- | Add a ".wiki" extension to the end of a `File`.
+addWikiExtension :: MonadThrow m => Path b File -> m (Path b File)
+addWikiExtension = addExtension wikiExtension
+
 -- | Replace the current extension of a `File` with a ".c" extension.
 withCExtension :: MonadThrow m => Path b File -> m (Path b File)
 withCExtension = replaceExtension cExtension
@@ -219,6 +306,10 @@
 withCssExtension :: MonadThrow m => Path b File -> m (Path b File)
 withCssExtension = replaceExtension cssExtension
 
+-- | Replace the current extension of a `File` with a ".docx" extension.
+withDocxExtension :: MonadThrow m => Path b File -> m (Path b File)
+withDocxExtension = replaceExtension docxExtension
+
 -- | Replace the current extension of a `File` with a ".gif" extension.
 withGifExtension :: MonadThrow m => Path b File -> m (Path b File)
 withGifExtension = replaceExtension gifExtension
@@ -255,6 +346,10 @@
 withOExtension :: MonadThrow m => Path b File -> m (Path b File)
 withOExtension = replaceExtension oExtension
 
+-- | Replace the current extension of a `File` with a ".odt" extension.
+withOdtExtension :: MonadThrow m => Path b File -> m (Path b File)
+withOdtExtension = replaceExtension odtExtension
+
 -- | Replace the current extension of a `File` with a ".pdf" extension.
 withPdfExtension :: MonadThrow m => Path b File -> m (Path b File)
 withPdfExtension = replaceExtension pdfExtension
@@ -271,10 +366,30 @@
 withPyExtension :: MonadThrow m => Path b File -> m (Path b File)
 withPyExtension = replaceExtension pyExtension
 
+-- | Replace the current extension of a `File` with a ".rtf" extension.
+withRtfExtension :: MonadThrow m => Path b File -> m (Path b File)
+withRtfExtension = replaceExtension rtfExtension
+
+-- | Replace the current extension of a `File` with a ".sh" extension.
+withShExtension :: MonadThrow m => Path b File -> m (Path b File)
+withShExtension = replaceExtension shExtension
+
 -- | Replace the current extension of a `File` with a ".svg" extension.
 withSvgExtension :: MonadThrow m => Path b File -> m (Path b File)
 withSvgExtension = replaceExtension svgExtension
 
+-- | Replace the current extension of a `File` with a ".tex" extension.
+withTexExtension :: MonadThrow m => Path b File -> m (Path b File)
+withTexExtension = replaceExtension texExtension
+
+-- | Replace the current extension of a `File` with a ".txt" extension.
+withTxtExtension :: MonadThrow m => Path b File -> m (Path b File)
+withTxtExtension = replaceExtension txtExtension
+
 -- | Replace the current extension of a `File` with a ".xml" extension.
 withXmlExtension :: MonadThrow m => Path b File -> m (Path b File)
 withXmlExtension = replaceExtension xmlExtension
+
+-- | Replace the current extension of a `File` with a ".wiki" extension.
+withWikiExtension :: MonadThrow m => Path b File -> m (Path b File)
+withWikiExtension = replaceExtension wikiExtension
