fix readme examples

README.md

@@ -27,6 +27,7 @@ end
 
 The following examples illustrate some examples on how to use the auto linker.
 
+```iex
 iex> AutoLinker.link("google.com")
 "<a href='http://google.com' class='auto-linker' target='_blank' rel='noopener noreferrer'>google.com</a>"
 
@@ -36,17 +37,18 @@ iex> AutoLinker.link("google.com", new_window: false, rel: false)
 iex> AutoLinker.link("google.com", new_window: false, rel: false, class: false)
 "<a href='http://google.com'>google.com</a>"
 
-iex> AutoLinker.link("call me at x9999")
-~s{call me at <a href="" class="phone-number" data-number="9999">x9999</a>}
+iex> AutoLinker.link("call me at x9999", phone: true)
+"call me at <a href=\"#\" class=\"phone-number\" data-phone=\"9999\">x9999</a>"
 
-iex> AutoLinker.link("or at home on 555.555.5555")
-~s{or at home on <a href="" class="phone-number" data-number="55555555555">555.555.5555</a>}
+iex> AutoLinker.link("or at home on 555.555.5555", phone: true)
+"or at home on <a href=\"#\" class=\"phone-number\" data-phone=\"5555555555\">555.555.5555</a>"
 
-iex> AutoLinker.link(", work (555) 555-5555")
-~s{, work <a href="" class="phone-number" data-number="5555555555">(555) 555-5555</a>}
+iex> AutoLinker.link(", work (555) 555-5555", phone: true)
+", work <a href=\"#\" class=\"phone-number\" data-phone=\"5555555555\">(555) 555-5555</a>"
 
 iex> AutoLinker.link("[Google Search](http://google.com)", markdown: true)
 "<a href='http://google.com' class='auto-linker' target='_blank' rel='noopener noreferrer'>Google Search</a>"
+```
 
 See the [Docs](https://hexdocs.pm/auto_linker/) for more examples