Fix class pattern docs to refer to class patterns (GH-28849)

Author: christopheNan

Doc/reference/compound_stmts.rst

@@ -1017,7 +1017,7 @@ A class pattern represents a class and its positional and keyword arguments
 
 The same keyword should not be repeated in class patterns.
 
-The following is the logical flow for matching a mapping pattern against a
+The following is the logical flow for matching a class pattern against a
 subject value:
 
 #. If ``name_or_attr`` is not an instance of the builtin :class:`type` , raise