diff --git a/README.md b/README.md
index fe1f444..495d271 100644
--- a/README.md
+++ b/README.md
@@ -10,31 +10,37 @@ Say something:
 
 ```elixir
 iex> TwiML.say("Hello") |> TwiML.to_xml()
-~s(<?xml version="1.0" encoding="UTF-8"?>
+"""
+<?xml version="1.0" encoding="UTF-8"?>
 <Response>
   <Say>Hello</Say>
-</Response>)
+</Response>\
+"""
 ```
 
 Say 2 things, one after the other:
 
 ```elixir
 iex> TwiML.say("Hello") |> TwiML.say("world") |> TwiML.to_xml()
-~s(<?xml version="1.0" encoding="UTF-8"?>
+"""
+<?xml version="1.0" encoding="UTF-8"?>
 <Response>
   <Say>Hello</Say>
   <Say>world</Say>
-</Response>)
+</Response>\
+"""
 ```
 
 Say something in another voice:
 
 ```elixir
 iex> TwiML.say("Hello", voice: "woman") |> TwiML.to_xml()
-~s(<?xml version="1.0" encoding="UTF-8"?>
+"""
+<?xml version="1.0" encoding="UTF-8"?>
 <Response>
   <Say voice="woman">Hello</Say>
-</Response>)
+</Response>\
+"""
 ```
 
 Leaving the content empty for a TwiML verb, will create a TwiML element that has
@@ -42,10 +48,12 @@ no body:
 
 ```elixir
 iex> TwiML.hangup() |> TwiML.to_xml()
-~s(<?xml version="1.0" encoding="UTF-8"?>
+"""
+<?xml version="1.0" encoding="UTF-8"?>
 <Response>
   <Hangup/>
-</Response>)
+</Response>\
+"""
 ```
 
 You can embed TwiML tags into other tags using the `into_*` function:
@@ -54,12 +62,14 @@ You can embed TwiML tags into other tags using the `into_*` function:
 iex> TwiML.say("Lets say this inside the gather")
 ...> |> TwiML.into_gather(language: "en-US", input: "speech")
 ...> |> TwiML.to_xml()
-~s(<?xml version="1.0" encoding="UTF-8"?>
+"""
+<?xml version="1.0" encoding="UTF-8"?>
 <Response>
   <Gather language="en-US" input="speech">
     <Say>Lets say this inside the gather</Say>
   </Gather>
-</Response>)
+</Response>\
+"""
 ```
 
 If you have multiple TwiML tags you want to embed, that works too:
@@ -69,13 +79,15 @@ iex> TwiML.say("Hi")
 ...> |> TwiML.say("We cool?")
 ...> |> TwiML.into_gather(language: "en-US", input: "speech", hints: "yes, no")
 ...> |> TwiML.to_xml()
-~s(<?xml version="1.0" encoding="UTF-8"?>
+"""
+<?xml version="1.0" encoding="UTF-8"?>
 <Response>
   <Gather language="en-US" input="speech" hints="yes, no">
     <Say>Hi</Say>
     <Say>We cool?</Say>
   </Gather>
-</Response>)
+</Response>\
+"""
 ```
 
 It is also possible to just include a few of the preceding tags into the body of
@@ -87,13 +99,15 @@ iex> TwiML.say("Calling Yodel")
 ...> |> TwiML.number("+1 415-483-0400")
 ...> |> TwiML.into_dial(1)
 ...> |> TwiML.to_xml()
-~s(<?xml version="1.0" encoding="UTF-8"?>
+"""
+<?xml version="1.0" encoding="UTF-8"?>
 <Response>
   <Say>Calling Yodel</Say>
   <Dial>
     <Number>+1 415-483-0400</Number>
   </Dial>
-</Response>)
+</Response>\
+"""
 ```
 
 The `into_*` functions can take the number of preceding tags, attributes or both
@@ -106,7 +120,8 @@ iex> TwiML.identity("venkman")
 ...> |> TwiML.into_client(1, method: "GET")
 ...> |> TwiML.into_dial(caller: "+1 415-483-0400")
 ...> |> TwiML.to_xml()
-~s(<?xml version="1.0" encoding="UTF-8"?>
+"""
+<?xml version="1.0" encoding="UTF-8"?>
 <Response>
   <Dial caller="+1 415-483-0400">
     <Client>
@@ -116,7 +131,8 @@ iex> TwiML.identity("venkman")
       <Identity>stantz</Identity>
     </Client>
   </Dial>
-</Response>)
+</Response>\
+"""
 ```
 
 Multiple calls to `into_*` functions allow building complex nested TwiML
@@ -129,7 +145,8 @@ iex> TwiML.identity("venkman")
 ...> |> TwiML.into_client(3)
 ...> |> TwiML.into_dial(1)
 ...> |> TwiML.to_xml()
-~s(<?xml version="1.0" encoding="UTF-8"?>
+"""
+<?xml version="1.0" encoding="UTF-8"?>
 <Response>
   <Dial>
     <Client>
@@ -138,7 +155,8 @@ iex> TwiML.identity("venkman")
       <Parameter name="last_name" value="Venkman"/>
     </Client>
   </Dial>
-</Response>)
+</Response>\
+"""
 ```
 
 Attributes can be provided both as `snake_case` or `camelCase`, but the latter is preferred as the code looks more Elixir-like.
@@ -146,10 +164,12 @@ Attributes can be provided both as `snake_case` or `camelCase`, but the latter i
 ```elixir
 iex> TwiML.dial("+1 415-483-0400", recordingStatusCallback: "https://example.org", recording_status_callback_method: "POST")
 ...> |> TwiML.to_xml()
-~s(<?xml version="1.0" encoding="UTF-8"?>
+"""
+<?xml version="1.0" encoding="UTF-8"?>
 <Response>
   <Dial recordingStatusCallback="https://example.org" recordingStatusCallbackMethod="POST">+1 415-483-0400</Dial>
-</Response>)
+</Response>\
+"""
 ```
 
 Safe binary strings, **IO Data** or **CDATA** are supported as well. Make sure
@@ -157,37 +177,69 @@ to only mark actually safe data as safe!
 
 ```elixir
 iex> TwiML.say({:safe, "<tag>Hello World</tag>"}) |> TwiML.to_xml()
-"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<Response>\n  <Say><tag>Hello World</tag></Say>\n</Response>"
+"""
+<?xml version="1.0" encoding="UTF-8"?>
+<Response>
+  <Say><tag>Hello World</tag></Say>
+</Response>\
+"""
 
 iex> TwiML.say({:iodata, [104, 101, 108, 108, 111, 32, 119, 111, 114, 108, 100]}) |> TwiML.to_xml()
-~s(<?xml version="1.0" encoding="UTF-8"?>\n<Response>\n  <Say>hello world</Say>\n</Response>)
+"""
+<?xml version="1.0" encoding="UTF-8"?>
+<Response>
+  <Say>hello world</Say>
+</Response>\
+"""
 
 iex> TwiML.say({:cdata, "<Hello>\\<World>"}) |> TwiML.to_xml()
-~s(<?xml version="1.0" encoding="UTF-8"?>\n<Response>\n  <Say><![CDATA[<Hello>\\<World>]]></Say>\n</Response>)
+"""
+<?xml version="1.0" encoding="UTF-8"?>
+<Response>
+  <Say><![CDATA[<Hello>\\<World>]]></Say>
+</Response>\
+"""
 ```
 
 This also works with attributes:
 
 ```elixir
 iex> TwiML.say({:safe, "<tag>Hello World</tag>"}, voice: "Polly.Joanna") |> TwiML.to_xml()
-"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<Response>\n  <Say voice=\"Polly.Joanna\"><tag>Hello World</tag></Say>\n</Response>"
+"""
+<?xml version="1.0" encoding="UTF-8\"?>
+<Response>
+  <Say voice="Polly.Joanna"><tag>Hello World</tag></Say>
+</Response>\
+"""
 
 iex> TwiML.say({:iodata, [104, 101, 108, 108, 111, 32, 119, 111, 114, 108, 100]}, voice: "Polly.Joanna") |> TwiML.to_xml()
-"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<Response>\n  <Say voice=\"Polly.Joanna\">hello world</Say>\n</Response>"
+"""
+<?xml version="1.0" encoding="UTF-8"?>
+<Response>
+  <Say voice="Polly.Joanna">hello world</Say>
+</Response>\
+"""
 
 iex> TwiML.say({:cdata, "<Hello>\\<World>"}, voice: "Polly.Joanna") |> TwiML.to_xml()
-"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<Response>\n  <Say voice=\"Polly.Joanna\"><![CDATA[<Hello>\\<World>]]></Say>\n</Response>"
+"""
+<?xml version="1.0" encoding="UTF-8"?>
+<Response>
+  <Say voice="Polly.Joanna"><![CDATA[<Hello>\\<World>]]></Say>
+</Response>\
+"""
 ```
 
 Comments can help with debugging (yes, they are somewhat ugly, until `xml_builder` properly supports them):
 
 ```elixir
 iex> TwiML.comment("Blocked because of insufficient funds") |> TwiML.reject() |> TwiML.to_xml()
-~s(<?xml version="1.0" encoding="UTF-8"?>
+"""
+<?xml version="1.0" encoding="UTF-8"?>
 <Response>
   <!-->Blocked because of insufficient funds</!-->
   <Reject/>
-</Response>)
+</Response>\
+"""
 ```
 
 And can also be chained:
@@ -197,12 +249,14 @@ iex> TwiML.say("Sorry, calls are currently unavailable")
 ...> |> TwiML.comment("Blocked because of insufficient funds")
 ...> |> TwiML.reject()
 ...> |> TwiML.to_xml()
-~s(<?xml version="1.0" encoding="UTF-8"?>
+"""
+<?xml version="1.0" encoding="UTF-8"?>
 <Response>
   <Say>Sorry, calls are currently unavailable</Say>
   <!-->Blocked because of insufficient funds</!-->
   <Reject/>
-</Response>)
+</Response>\
+"""
 ```
 
 Empty attributes are not included in the generated TwiML:
@@ -210,10 +264,12 @@ Empty attributes are not included in the generated TwiML:
 ```elixir
 iex> TwiML.say("Hello", voice: "", loop: nil)
 ...> |> TwiML.to_xml()
-~s(<?xml version="1.0" encoding="UTF-8"?>
+"""
+<?xml version="1.0" encoding="UTF-8"?>
 <Response>
   <Say>Hello</Say>
-</Response>)
+</Response>\
+"""
 ```
 <!-- MDOC !-->
 
diff --git a/mix.exs b/mix.exs
index 27d78d5..0075788 100644
--- a/mix.exs
+++ b/mix.exs
@@ -14,6 +14,10 @@ defmodule Twiml.MixProject do
       deps: deps(),
       description: description(),
       package: package(),
+      preferred_cli_env: [
+        docs: :docs,
+        "hex.publish": :docs
+      ],
 
       # Docs
       name: "TwiML",
@@ -26,7 +30,7 @@ defmodule Twiml.MixProject do
   defp deps do
     [
       {:xml_builder, "~> 2.2"},
-      {:ex_doc, "~> 0.24", only: :dev, runtime: false}
+      {:ex_doc, "~> 0.24", only: :docs}
     ]
   end