PEP 517: Fix typo in the word "community" (GH-532)

pep-0518.txt

@@ -97,7 +97,7 @@ project.
 All of this has led pip [#pip]_ to simply assume that setuptools is
 necessary when executing a ``setup.py`` file. The problem with this,
 though, is it doesn't scale if another project began to gain traction
-in the commnity as setuptools has. It also prevents other projects
+in the community as setuptools has. It also prevents other projects
 from gaining traction due to the friction required to use it with a
 project when pip can't infer the fact that something other than
 setuptools is required.