minor #1546 [doc] [api.rst] Correct base template name (fabschurt)

This PR was merged into the 1.16-dev branch.

Discussion
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[doc] [api.rst] Correct base template name

The base template name used in $loader1 and $loader2 is actually "base.html", not "base.twig".

Commits
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882f44b Correct base template name

doc/api.rst

@@ -199,7 +199,7 @@ projects where storing all templates in a single PHP file might make sense.
         'base.html' => '{% block content %}{% endblock %}',
     ));
     $loader2 = new Twig_Loader_Array(array(
-        'index.html' => '{% extends "base.twig" %}{% block content %}Hello {{ name }}{% endblock %}',
+        'index.html' => '{% extends "base.html" %}{% block content %}Hello {{ name }}{% endblock %}',
         'base.html'  => 'Will never be loaded',
     ));