minor #732 [TwigComponent] Fix example "Defaults & Merging" attributes (onEXHovia)

This PR was merged into the 2.x branch.

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[TwigComponent] Fix example "Defaults & Merging" attributes

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f967c03 [TwigComponent] Fix example "Defaults & Merging" attributes

Author: weaverryan

src/TwigComponent/doc/index.rst

@@ -640,7 +640,7 @@ the exception of *class*. For ``class``, the defaults are prepended:
     {{ component('my_component', { style: 'color:red' }) }}
 
     {# renders as: #}
-    <button class="bar" style="color:red">Save</button>
+    <button class="bar" type="button" style="color:red">Save</button>
 
     {# render component #}
     {{ component('my_component', { class: 'foo', type: 'submit' }) }}