diff --git a/.gitignore b/.gitignore
index d9d343f..4d0dac9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,8 +1,26 @@
+# The directory Mix will write compiled artifacts to.
 /_build/
+
+# If you run "mix test --cover", coverage assets end up here.
 /cover/
+
+# The directory Mix downloads your dependencies sources to.
 /deps/
+
+# Where third-party dependencies like ExDoc output generated docs.
 /doc/
-/priv/
+
+# Ignore .fetch files in case you like to edit your project deps locally.
 /.fetch
+
+# If the VM crashes, it generates a dump, let's ignore it too.
 erl_crash.dump
+
+# Also ignore archive artifacts (built via "mix archive.build").
 *.ez
+
+# Ignore package tarball (built via "mix hex.build").
+bcrypt_elixir-*.tar
+
+# Temporary files for e.g. tests
+/tmp
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2f55446..2781b43 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,31 +1,31 @@
 # Changelog
 
-## v2.3.0
+## v2.3.0 (2021-01-07)
 
 * Enhancements
-  * updated Makefile to be more robust, especially for Nerves users
+  * Updated Makefile to be more robust, especially for Nerves users
 
-## v2.2.0
+## v2.2.0 (2020-03-01)
 
 * Changes
-  * using Comeonin v5.3, which changes `add_hash` so that it does NOT set the password to nil
+  * Using Comeonin v5.3, which changes `add_hash` so that it does NOT set the password to nil
 
-## v2.1.0
+## v2.1.0 (2020-01-20)
 
 * Enhancements
   * Updated documentation - in line with updates to Comeonin v5.2
 
-## v2.0.0
+## v2.0.0 (2019-02-12)
 
 * Enhancements
   * Updated to use the Comeonin and Comeonin.PasswordHash behaviours (Comeonin v5.0)
 
-## v1.0.0
+## v1.0.0 (2019-01-17)
 
 * Enhancements
   * Updated C NIF code to use dirty schedulers
 
-## v0.12.0
+## v0.12.0 (2017-08-06)
 
 * Changes
   * Created separate Bcrypt library
diff --git a/LICENSE b/LICENSE
index 4b093c8..d07adf4 100644
--- a/LICENSE
+++ b/LICENSE
@@ -58,7 +58,7 @@ This password hashing algorithm was designed by David Mazieres
 All other code in this application, unless otherwise stated, is subject
 to the following license:
 
-Copyright (c) 2014-2018 David Whitlock <alovedalongthe@gmail.com>
+Copyright (c) 2014-2021 David Whitlock <alovedalongthe@gmail.com>
 
 Some rights reserved.
 Redistribution and use in source and binary forms of the software as well
diff --git a/README.md b/README.md
index bc422f3..8bf41fe 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,11 @@
 # Bcrypt
 
-[![Hex.pm Version](http://img.shields.io/hexpm/v/bcrypt_elixir.svg)](https://hex.pm/packages/bcrypt_elixir)
 [![Build Status](https://travis-ci.com/riverrun/bcrypt_elixir.svg?branch=master)](https://travis-ci.com/riverrun/bcrypt_elixir)
+[![Module Version](http://img.shields.io/hexpm/v/bcrypt_elixir.svg)](https://hex.pm/packages/bcrypt_elixir)
+[![Hex Docs](https://img.shields.io/badge/hex-docs-lightgreen.svg)](https://hexdocs.pm/bcrypt_elixir/)
+[![Total Download](https://img.shields.io/hexpm/dt/bcrypt_elixir.svg)](https://hex.pm/packages/bcrypt_elixir)
+[![License](https://img.shields.io/hexpm/l/bcrypt_elixir.svg)](https://github.com/riverrun/bcrypt_elixir/blob/master/LICENSE)
+[![Last Updated](https://img.shields.io/github/last-commit/riverrun/bcrypt_elixir.svg)](https://github.com/riverrun/bcrypt_elixir/commits/master)
 
 Bcrypt password hashing library for Elixir.
 
@@ -23,72 +27,72 @@ and Comeonin.PasswordHash behaviours.
 It now has the following two additional convenience functions:
 
 * `add_hash/2`
-  * same as Comeonin.Bcrypt.add_hash in Comeonin version 4
+  * same as `Comeonin.Bcrypt.add_hash/2` in Comeonin version 4
   * hashes a password and returns a map with the password hash
 * `check_pass/3`
-  * same as Comeonin.Bcrypt.check_pass in Comeonin version 4
+  * same as `Comeonin.Bcrypt.check_pass/3` in Comeonin version 4
   * takes a user struct and password as input and verifies the password
 
 ## Installation
 
-1. Add bcrypt_elixir to the `deps` section of your mix.exs file:
+1.  Add `:bcrypt_elixir` to the `deps` section of your `mix.exs` file:
 
-If you are using Erlang >20:
+    If you are using Erlang >20:
 
-```elixir
-def deps do
-  [
-    {:bcrypt_elixir, "~> 2.0"}
-  ]
-end
-```
+    ```elixir
+    def deps do
+      [
+        {:bcrypt_elixir, "~> 2.0"}
+      ]
+    end
+    ```
 
-If you are using Erlang 19 or below:
+    If you are using Erlang 19 or below:
 
-```elixir
-def deps do
-  [
-    {:bcrypt_elixir, "~> 0.12"}
-  ]
-end
-```
+    ```elixir
+    def deps do
+      [
+        {:bcrypt_elixir, "~> 0.12"}
+      ]
+    end
+    ```
 
-2. Make sure you have a C compiler installed.
+2.  Make sure you have a C compiler installed.
 See the [Comeonin wiki](https://github.com/riverrun/comeonin/wiki/Requirements) for details.
 
-3. Optional: during tests (and tests only), you may want to reduce the number of rounds
+3.  Optional: during tests (and tests only), you may want to reduce the number of rounds
 so it does not slow down your test suite. If you have a config/test.exs, you should
 add:
 
-```elixir
-config :bcrypt_elixir, :log_rounds, 4
-```
+    ```elixir
+    config :bcrypt_elixir, :log_rounds, 4
+    ```
 
 ## Comeonin wiki
 
 See the [Comeonin wiki](https://github.com/riverrun/comeonin/wiki) for more
 information on the following topics:
 
-* [algorithms](https://github.com/riverrun/comeonin/wiki/Choosing-the-password-hashing-algorithm)
-* [requirements](https://github.com/riverrun/comeonin/wiki/Requirements)
-* [deployment](https://github.com/riverrun/comeonin/wiki/Deployment)
-  * including information about using Docker
-* [references](https://github.com/riverrun/comeonin/wiki/References)
+* [Algorithms](https://github.com/riverrun/comeonin/wiki/Choosing-the-password-hashing-algorithm)
+* [Requirements](https://github.com/riverrun/comeonin/wiki/Requirements)
+* [Deployment](https://github.com/riverrun/comeonin/wiki/Deployment)
+  * Including information about using Docker
+* [References](https://github.com/riverrun/comeonin/wiki/References)
 
 ## Contributing
 
 There are many ways you can contribute to the development of this library, including:
 
-* reporting issues
-* improving documentation
-* sharing your experiences with others
-* [making a financial contribution](#donations)
+* Reporting issues
+* Improving documentation
+* Sharing your experiences with others
+* [Making a financial contribution](#donations)
 
 ## Donations
 
 First of all, I would like to emphasize that this software is offered
 free of charge. However, if you find it useful, and you would like to
-buy me a cup of coffee, you can do so at [paypal](https://www.paypal.me/alovedalongthe).
+buy me a cup of coffee, you can do so at [PayPal](https://www.paypal.me/alovedalongthe).
 
 ### Documentation
 
diff --git a/lib/bcrypt.ex b/lib/bcrypt.ex
index 4f18b86..d597c5e 100644
--- a/lib/bcrypt.ex
+++ b/lib/bcrypt.ex
@@ -5,22 +5,21 @@ defmodule Bcrypt do
   Most applications will just need to use the `add_hash/2` and `check_pass/3`
   convenience functions in this module.
 
-  For a lower-level API, see Bcrypt.Base.
+  For a lower-level API, see `Bcrypt.Base`.
 
   ## Configuration
 
   The following parameter can be set in the config file:
 
-    * `log_rounds` - the computational cost as number of log rounds
-      * the default is 12 (2^12 rounds)
+    * `:log_rounds` - the computational cost as number of log rounds
+      * the default is `12` (2^12 rounds)
 
   If you are hashing passwords in your tests, it can be useful to add
   the following to the `config/test.exs` file:
 
+      # Note: Do not use this value in production
       config :bcrypt_elixir, log_rounds: 4
 
-  NB. do not use this value in production.
-
   ## Bcrypt
 
   Bcrypt is a key derivation function for passwords designed by Niels Provos
@@ -54,11 +53,11 @@ defmodule Bcrypt do
   @doc """
   Generate a salt for use with the `Bcrypt.Base.hash_password` function.
 
-  The log_rounds parameter determines the computational complexity
+  The `:log_rounds` parameter determines the computational complexity
   of the generation of the password hash. Its default is 12, the minimum is 4,
   and the maximum is 31.
 
-  The `legacy` option is for generating salts with the old `$2a$` prefix.
+  The `:legacy` option is for generating salts with the old `$2a$` prefix.
   Only use this option if you need to generate hashes that are then checked
   by older libraries.
   """
@@ -71,7 +70,7 @@ defmodule Bcrypt do
 
   ## Option
 
-    * `log_rounds` - the computational cost as number of log rounds
+    * `:log_rounds` - the computational cost as number of log rounds
       * the default is 12 (2^12 rounds)
       * this can be used to override the value set in the config
 
diff --git a/lib/bcrypt/stats.ex b/lib/bcrypt/stats.ex
index 3f64fa9..a2fd88a 100644
--- a/lib/bcrypt/stats.ex
+++ b/lib/bcrypt/stats.ex
@@ -2,12 +2,12 @@ defmodule Bcrypt.Stats do
   @moduledoc """
   Module to provide statistics for the Bcrypt password hashing function.
 
-  The `report` function in this module can be used to help you configure
+  The `report/1` function in this module can be used to help you configure
   Bcrypt.
 
   ## Configuration
 
-  There is one configuration option for Bcrypt - log_rounds.
+  There is one configuration option for Bcrypt - `:log_rounds`.
   Increasing this value will increase the complexity, and time
   taken, of the Bcrypt function.
 
@@ -26,7 +26,7 @@ defmodule Bcrypt.Stats do
   @doc """
   Hash a password with Bcrypt and print out a report.
 
-  This function hashes a password, and salt, with Bcrypt.Base.hash_password/2
+  This function hashes a password, and salt, with `Bcrypt.Base.hash_password/2`
   and prints out statistics which can help you choose how many to configure
   Bcrypt.
 
diff --git a/mix.exs b/mix.exs
index c2863cf..40ff3f8 100644
--- a/mix.exs
+++ b/mix.exs
@@ -1,6 +1,7 @@
 defmodule BcryptElixir.Mixfile do
   use Mix.Project
 
+  @source_url "https://github.com/riverrun/bcrypt_elixir"
   @version "2.3.0"
 
   @description """
@@ -18,8 +19,9 @@ defmodule BcryptElixir.Mixfile do
       make_clean: ["clean"],
       description: @description,
       package: package(),
-      source_url: "https://github.com/riverrun/bcrypt_elixir",
+      source_url: @source_url,
       deps: deps(),
+      docs: docs(),
       dialyzer: [
         plt_file: {:no_warn, "priv/plts/dialyzer.plt"}
       ]
@@ -41,12 +43,24 @@ defmodule BcryptElixir.Mixfile do
     ]
   end
 
+  defp docs do
+    [
+      main: "readme",
+      source_ref: "v#{@version}",
+      source_url: @source_url,
+      extras: ["CHANGELOG.md", "README.md"]
+    ]
+  end
+
   defp package do
     [
       files: ["lib", "c_src", "mix.exs", "Makefile*", "README.md", "LICENSE"],
       maintainers: ["David Whitlock"],
       licenses: ["BSD"],
-      links: %{"GitHub" => "https://github.com/riverrun/bcrypt_elixir"}
+      links: %{
+        "Changelog" => "#{@source_url}/blob/master/CHANGELOG.md",
+        "GitHub" => @source_url
+      }
     ]
   end
 end