doc: guard against md list parsing edge case

Backport-PR-URL: #20456
PR-URL: #19647
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Chen Gang <gangc.cxy@foxmail.com>
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

doc/api/http2.md

@@ -2073,8 +2073,8 @@ properties.
 * `maxConcurrentStreams` {number} Specifies the maximum number of concurrent
   streams permitted on an `Http2Session`. There is no default value which
   implies, at least theoretically, 2<sup>31</sup>-1 streams may be open
-  concurrently at any given time in an `Http2Session`. The minimum value is
-  0. The maximum allowed value is 2<sup>31</sup>-1.
+  concurrently at any given time in an `Http2Session`. The minimum value
+  is 0. The maximum allowed value is 2<sup>31</sup>-1.
 * `maxHeaderListSize` {number} Specifies the maximum size (uncompressed octets)
   of header list that will be accepted. The minimum allowed value is 0. The
   maximum allowed value is 2<sup>32</sup>-1. **Default:** 65535.