"exists" -> "exist" in What's New 3.10 (GH-25019)

blopblopy · web-flow · commit 56816bb845be · 2021-03-25T09:14:22.000-07:00
diff --git a/Doc/whatsnew/3.10.rst b/Doc/whatsnew/3.10.rst
@@ -215,7 +215,7 @@ operates by:
        match
     5. If an exact match is not confirmed, the last case, a wildcard ``_``,
        if provided, will be used as the matching case. If an exact match is
-       not confirmed and a wildcard case does not exists, the entire match
+       not confirmed and a wildcard case does not exist, the entire match
        block is a no-op.
 
 Declarative approach
