Fix typos and grammatical changes in the 3.10 what's new document (GH-26319)

diff --git a/Doc/whatsnew/3.10.rst b/Doc/whatsnew/3.10.rst
index c45925756ffa86d0f085f4c1f0584e3ce0a53843..ba5b0a2382c0886143359b1bcd3671c6b834885b 100644 (file)
--- a/Doc/whatsnew/3.10.rst
+++ b/Doc/whatsnew/3.10.rst
@@ -197,7 +197,7 @@ now Python 3.10 will display the exception as:
 This improvement was contributed by Pablo Galindo in :issue:`43914`.
 
 A considerable amount of new specialized messages for :exc:`SyntaxError` exceptions
-have been incorporated. Some of the most notable ones:
+have been incorporated. Some of the most notable ones are as follows:
 
 * Missing ``:`` before blocks: