Fix typo in __mul__ and __rmul__ docstring (GH-6674)

(cherry picked from commit 0904f76)

Co-authored-by: Grant Jenks <[email protected]>

Author: miss-islington

Objects/typeobject.c

@@ -6938,9 +6938,9 @@ static slotdef slotdefs[] = {
     SQSLOT("__add__", sq_concat, NULL, wrap_binaryfunc,
            "__add__($self, value, /)\n--\n\nReturn self+value."),
     SQSLOT("__mul__", sq_repeat, NULL, wrap_indexargfunc,
-           "__mul__($self, value, /)\n--\n\nReturn self*value.n"),
+           "__mul__($self, value, /)\n--\n\nReturn self*value."),
     SQSLOT("__rmul__", sq_repeat, NULL, wrap_indexargfunc,
-           "__rmul__($self, value, /)\n--\n\nReturn self*value."),
+           "__rmul__($self, value, /)\n--\n\nReturn value*self."),
     SQSLOT("__getitem__", sq_item, slot_sq_item, wrap_sq_item,
            "__getitem__($self, key, /)\n--\n\nReturn self[key]."),
     SQSLOT("__setitem__", sq_ass_item, slot_sq_ass_item, wrap_sq_setitem,