doc: return type is number

PR-URL: #29828
Reviewed-By: Rich Trott <rtrott@gmail.com>

Author: exoego

doc/api/http2.md

@@ -1195,8 +1195,8 @@ Provides miscellaneous information about the current state of the
     for this `Http2Stream` without receiving a `WINDOW_UPDATE`.
   * `state` {number} A flag indicating the low-level current state of the
     `Http2Stream` as determined by `nghttp2`.
-  * `localClose` {number} `true` if this `Http2Stream` has been closed locally.
-  * `remoteClose` {number} `true` if this `Http2Stream` has been closed
+  * `localClose` {number} `1` if this `Http2Stream` has been closed locally.
+  * `remoteClose` {number} `1` if this `Http2Stream` has been closed
     remotely.
   * `sumDependencyWeight` {number} The sum weight of all `Http2Stream`
     instances that depend on this `Http2Stream` as specified using