Update README.md

Author: pllim

README.md

@@ -2,7 +2,7 @@
 
 Documents and policies regarding the Astropy Project as a whole.  *Drafts* of policies under consideration go into the `drafts` directory.  Other directories can be created as needed to maintain organization, but as a general guideline a new directory should not be created unless it contains (or will contain) at least 3 files.
 
-Additionally, the issue tracker will be used to discuss larger Project-wide issues. (I.e., those that are not particular to a specific pacakge or other repository.)
+Additionally, the issue tracker will be used to discuss larger Project-wide issues; i.e., those that are not particular to a specific pacakge or other repository.
 
 ## If you locally cloned this repo before 15 June 2021