doc: fix typo in http2.md

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

doc/api/http2.md

@@ -1701,7 +1701,7 @@ 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.
+    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