doc: fix typo in http2.md

PR-URL: nodejs#18602
Reviewed-By: Anatoli Papirovski <apapirovski@mac.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

doc/api/http2.md

@@ -1697,8 +1697,8 @@ changes:
  and the total frame length will *not* necessarily be aligned at 8 bytes.
  * `peerMaxConcurrentStreams` {number} Sets the maximum number of concurrent
  streams for the remote peer as if a SETTINGS frame had been received. Will
- be overridden if the remote peer sets its own value for.
- `maxConcurrentStreams`. **Default** `100`
+ be overridden if the remote peer sets its own value for
+ `maxConcurrentStreams`. **Default:** `100`
  * `selectPadding` {Function} When `options.paddingStrategy` is equal to
  `http2.constants.PADDING_STRATEGY_CALLBACK`, provides the callback function
  used to determine the padding. See [Using options.selectPadding][].