bug #8570 Fix Rendering template chapter (AurelienMo)

This PR was merged into the master branch.

Discussion
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Fix Rendering template chapter

Deleting the ":" character in excess to display correctly the terminal block code on "Rendering template chapter

Commits
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b05e7e7 Fix Rendering template chapter

Author: weaverryan

page_creation.rst

@@ -201,7 +201,7 @@ If you're returning HTML from your controller, you'll probably want to render
 a template. Fortunately, Symfony comes with `Twig`_: a templating language that's
 easy, powerful and actually quite fun.
 
-First, install Twig::
+First, install Twig:
 
 .. code-block:: terminal