Fix bad ports from the main PR

docs/topics/request-response.rst

@@ -352,7 +352,7 @@ errors if needed:
             "https://example.invalid/",  # DNS error expected
         ]
 
-        async def yield_seeds(self):
+        async def start(self):
             for u in self.start_urls:
                 yield scrapy.Request(
                     u,

scrapy/http/request/__init__.py

@@ -201,7 +201,7 @@ class Request(object_ref):
         #:
         #: When defining the start URLs of a spider through
         #: :attr:`~scrapy.Spider.start_urls`, this attribute is enabled by
-        #: default. See :meth:`~scrapy.Spider.yield_seeds`.
+        #: default. See :meth:`~scrapy.Spider.start`.
         self.dont_filter: bool = dont_filter
 
         self._meta: dict[str, Any] | None = dict(meta) if meta else None