Fix spelling error in quick_presentation.rst

Changed "cuting" to the correct spelling of "cutting"

docs/getting_started/quick_presentation.rst

@@ -12,7 +12,7 @@ Here are a few reasons why you may want to edit videos in Python:
 
 - You have many videos to process or to compose in a complicated way.
 - You want to automatize the creation of videos or GIFs on a web server (Django, Flask, etc.)
-- You want to automatize tedious tasks, like title insertions tracking objects, cuting scenes, making end credits, subtitles, etc...
+- You want to automatize tedious tasks, like title insertions tracking objects, cutting scenes, making end credits, subtitles, etc...
 - You want to code your own video effects to do something no existing video editor can.
 - You want to create animations from images generated by another python library (Matplotlib, Mayavi, Gizeh, scikit-images...)