doc: fix certificate display in tls doc

Trott · richardlau · commit cdc1198a62ee · 2020-09-07T12:29:33.000-04:00
In one context, `<Buffer>` was being interpretted as an HTML tag and not displayed. PR-URL: #35032 Reviewed-By: Richard Lau <riclau@uk.ibm.com> Reviewed-By: Anna Henningsen <anna@addaleax.net>
diff --git a/doc/api/tls.md b/doc/api/tls.md
@@ -1077,7 +1077,8 @@ For EC keys, the following properties may be defined:
 
 Example certificate:
 
-```text
+<!-- eslint-skip -->
+```js
 { subject:
    { OU: [ 'Domain Control Validated', 'PositiveSSL Wildcard' ],
      CN: '*.nodejs.org' },
