fix a typo in pep 621 specifications, my -> may (#1140)

onerandomusername · web-flow · commit 83273697207c · 2022-09-06T22:05:23.000Z
diff --git a/source/specifications/declaring-project-metadata.rst b/source/specifications/declaring-project-metadata.rst
@@ -33,7 +33,7 @@ or listed as dynamic are:
 
 - ``version``
 
-All other fields are considered optional and my be specified
+All other fields are considered optional and may be specified
 statically, listed as dynamic, or left unspecified.
 
 
