PEP-765: rewrote two sentences as proposed by Jeff Glass (#4164)

Author: iritkatriel

peps/pep-0765.rst

@@ -91,7 +91,7 @@ when a ``return``, ``break`` or ``continue`` would transfer
 control flow from within a ``finally`` block to a location outside
 of it.
 
-This includes the following examples:
+These examples may emit a ``SyntaxWarning`` or ``SyntaxError``:
 
 .. code-block::
    :class: bad
@@ -108,7 +108,7 @@ This includes the following examples:
         finally:
             break  # (or continue)
 
-But excludes these:
+These examples would not emit the warning or error:
 
 .. code-block::
    :class: good