diff --git a/lib/ua_parser.ex b/lib/ua_parser.ex
index d615c1b..10a5a35 100644
--- a/lib/ua_parser.ex
+++ b/lib/ua_parser.ex
@@ -21,5 +21,5 @@ defmodule UAParser do
   """
   def parse(ua), do: Parser.parse(pattern(), ua)
 
-  defp pattern, do: Storage.list
+  defp pattern, do: Storage.list()
 end
diff --git a/lib/ua_parser/parser.ex b/lib/ua_parser/parser.ex
index f78765c..6765aa5 100644
--- a/lib/ua_parser/parser.ex
+++ b/lib/ua_parser/parser.ex
@@ -23,6 +23,7 @@ defmodule UAParser.Parser do
   end
 
   defp match(nil, _string), do: nil
+
   defp match(group, string) do
     match =
       group
@@ -52,11 +53,11 @@ defmodule UAParser.Parser do
 
   defp search(groups, string) do
     groups
-    |> Enum.find(fn(group) ->
-      group
-      |> Keyword.fetch!(:regex)
-      |> Regex.match?(string)
-    end)
+    |> Enum.find(fn group ->
+         group
+         |> Keyword.fetch!(:regex)
+         |> Regex.match?(string)
+       end)
     |> match(string)
   end
 end
diff --git a/lib/ua_parser/parsers/base.ex b/lib/ua_parser/parsers/base.ex
index 5ebef62..01b2f49 100644
--- a/lib/ua_parser/parsers/base.ex
+++ b/lib/ua_parser/parsers/base.ex
@@ -6,18 +6,19 @@ defmodule UAParser.Parsers.Base do
   @callback parse(args :: term) :: result :: term | nil
 
   defmacro replacement_parser(opts) do
-    [family_key|replacements] = Keyword.fetch!(opts, :keys)
+    [family_key | replacements] = Keyword.fetch!(opts, :keys)
     mod = opts[:struct]
 
     quote do
       def parse(nil), do: struct(unquote(mod), %{})
+
       def parse({group, match}) do
         family =
           group
           |> Keyword.get(unquote(family_key))
           |> UAParser.Parsers.Base.replace(1, match)
 
-        match   = Enum.slice(match, 1, 4)
+        match = Enum.slice(match, 1, 4)
         version = UAParser.Parsers.Version.parse({group, match}, unquote(replacements))
 
         struct(unquote(mod), %{family: family, version: version})
@@ -26,8 +27,10 @@ defmodule UAParser.Parsers.Base do
   end
 
   def replace(nil, position, match), do: Enum.at(match, position)
+
   def replace(string, position, match) do
     val = Enum.at(match, position)
+
     if val do
       String.replace(string, "$#{position}", val)
     else
diff --git a/lib/ua_parser/parsers/device.ex b/lib/ua_parser/parsers/device.ex
index a14c6db..8b76d25 100644
--- a/lib/ua_parser/parsers/device.ex
+++ b/lib/ua_parser/parsers/device.ex
@@ -10,21 +10,27 @@ defmodule UAParser.Parsers.Device do
 
   alias UAParser.Device
 
-  @replacements [brand: :brand_replacement, family: :device_replacement, model: :model_replacement]
+  @replacements [
+    brand: :brand_replacement,
+    family: :device_replacement,
+    model: :model_replacement
+  ]
 
   def parse(nil), do: %Device{}
-  def parse({group, match}),
-    do: do_replacement(@replacements, {group, match}, %Device{})
+  def parse({group, match}), do: do_replacement(@replacements, {group, match}, %Device{})
 
   def do_replacement([], _, device), do: device
-  def do_replacement([{key, replacement}| replacements], {group, match}, device) do
+
+  def do_replacement([{key, replacement} | replacements], {group, match}, device) do
     replace = Keyword.get(group, replacement)
+
     replace =
       match
-      |> Enum.with_index
-      |> Enum.reduce(replace, fn({_, index}, acc) ->
-        replace(acc, index, match)
-      end)
+      |> Enum.with_index()
+      |> Enum.reduce(replace, fn {_, index}, acc ->
+           replace(acc, index, match)
+         end)
+
     do_replacement(replacements, {group, match}, Map.put(device, key, replace))
   end
 end
diff --git a/lib/ua_parser/parsers/operating_system.ex b/lib/ua_parser/parsers/operating_system.ex
index d006d15..2844cec 100644
--- a/lib/ua_parser/parsers/operating_system.ex
+++ b/lib/ua_parser/parsers/operating_system.ex
@@ -7,10 +7,11 @@ defmodule UAParser.Parsers.OperatingSystem do
 
   alias UAParser.OperatingSystem
 
-  replacement_parser struct: OperatingSystem,
-                       keys: [:os_replacement,
-                              :os_v1_replacement,
-                              :os_v2_replacement,
-                              :os_v3_replacement,
-                              :os_v4_replacement]
+  replacement_parser(struct: OperatingSystem, keys: [
+    :os_replacement,
+    :os_v1_replacement,
+    :os_v2_replacement,
+    :os_v3_replacement,
+    :os_v4_replacement
+  ])
 end
diff --git a/lib/ua_parser/parsers/user_agent.ex b/lib/ua_parser/parsers/user_agent.ex
index bcf0a33..9851a80 100644
--- a/lib/ua_parser/parsers/user_agent.ex
+++ b/lib/ua_parser/parsers/user_agent.ex
@@ -7,10 +7,11 @@ defmodule UAParser.Parsers.UA do
 
   import Base
 
-  replacement_parser struct: UA,
-                       keys: [:family_replacement,
-                              :v1_replacement,
-                              :v2_replacement,
-                              :v3_replacement,
-                              :v4_replacement]
+  replacement_parser(struct: UA, keys: [
+    :family_replacement,
+    :v1_replacement,
+    :v2_replacement,
+    :v3_replacement,
+    :v4_replacement
+  ])
 end
diff --git a/lib/ua_parser/parsers/version.ex b/lib/ua_parser/parsers/version.ex
index 0a2e62a..a458f7f 100644
--- a/lib/ua_parser/parsers/version.ex
+++ b/lib/ua_parser/parsers/version.ex
@@ -11,9 +11,10 @@ defmodule UAParser.Parsers.Version do
   alias UAParser.Version
 
   def parse(nil), do: %Version{}
+
   def parse(grouping, keys \\ []) do
     keys
-    |> Enum.with_index
+    |> Enum.with_index()
     |> Enum.map(&parse_version(grouping, &1))
     |> version
   end
@@ -25,6 +26,7 @@ defmodule UAParser.Parsers.Version do
   end
 
   defp version([major]), do: %Version{major: major}
+
   defp version([major, minor, patch, patch_minor]),
     do: %Version{major: major, minor: minor, patch: patch, patch_minor: patch_minor}
 end
diff --git a/lib/ua_parser/processor.ex b/lib/ua_parser/processor.ex
index c388d46..0f022e3 100644
--- a/lib/ua_parser/processor.ex
+++ b/lib/ua_parser/processor.ex
@@ -16,21 +16,22 @@ defmodule UAParser.Processor do
 
   defp atom_key(key) do
     key
-    |> String.Chars.to_string
-    |> String.to_atom
+    |> String.Chars.to_string()
+    |> String.to_atom()
   end
 
   defp compile(groups) do
+    # result: {user_agents, os, devices}
     groups
     |> Enum.map(&compile_groups/1)
-    |> to_tuple # result: {user_agents, os, devices}
+    |> to_tuple
   end
 
   defp compile_group(group) do
     pattern =
       group
       |> Keyword.fetch!(:regex)
-      |> Regex.compile!
+      |> Regex.compile!()
 
     Keyword.put(group, :regex, pattern)
   end
@@ -38,27 +39,31 @@ defmodule UAParser.Processor do
   defp compile_groups(groups), do: Enum.map(groups, &compile_group/1)
 
   defp convert([]), do: []
-  defp convert([head|tail]) do
+
+  defp convert([head | tail]) do
     result = Enum.map(head, &to_keyword/1)
-    [result|convert(tail)]
+    [result | convert(tail)]
   end
 
-  defp extract([document|_]) do
-    [{'user_agent_parsers', user_agents}, {'os_parsers', os}, {'device_parsers', devices}] = document
+  defp extract([document | _]) do
+    [{'user_agent_parsers', user_agents}, {'os_parsers', os}, {'device_parsers', devices}] =
+      document
 
     [user_agents, os, devices]
   end
 
   defp to_keyword([]), do: []
-  defp to_keyword([{key, value}|tails]) do
+
+  defp to_keyword([{key, value} | tails]) do
     keyword = {atom_key(key), String.Chars.to_string(value)}
     [keyword | to_keyword(tails)]
   end
 
   defp to_tuple(values, tuple \\ {})
   defp to_tuple([], tuple), do: tuple
-  defp to_tuple([head|tail], tuple) do
-    tuple  = Tuple.append(tuple, head)
+
+  defp to_tuple([head | tail], tuple) do
+    tuple = Tuple.append(tuple, head)
     to_tuple(tail, tuple)
   end
 end
diff --git a/lib/ua_parser/storage.ex b/lib/ua_parser/storage.ex
index 026ae12..6c394ae 100644
--- a/lib/ua_parser/storage.ex
+++ b/lib/ua_parser/storage.ex
@@ -9,11 +9,11 @@ defmodule UAParser.Storage do
 
   data =
     :ua_parser
-    |> :code.priv_dir
+    |> :code.priv_dir()
     |> Kernel.++('/patterns.yml')
     |> to_string
     |> :yamerl_constr.file([])
-    |> Processor.process
+    |> Processor.process()
 
   @data data