Remove curly quotes

Author: Dwang-ML

doc/about/intro.rst

@@ -21,7 +21,7 @@ Community driven
 ----------------
 
 Arcade is a community-driven project, and we rely on support from users like you.
-You don’t need to be an expert programmer or game developer to contribute.
+You don't need to be an expert programmer or game developer to contribute.
 
 * More information about ways to contribute: :ref:`how-to-contribute`.
 * Also see :ref:`community-locations` for more information about where to find the