doc: fix typo in changelogs

Fix typo in v12.22.7, v14.18.1, and v16.11.1 changelogs.

PR-URL: #40585
Reviewed-By: Rich Trott <[email protected]>
Reviewed-By: Voltrex <[email protected]>

Author: lpinca

doc/changelogs/CHANGELOG_V16.md

@@ -158,7 +158,7 @@ This is a security release.
 * **CVE-2021-22959**: HTTP Request Smuggling due to spaced in headers (Medium)
   * The http parser accepts requests with a space (SP) right after the header name before the colon. This can lead to HTTP Request Smuggling (HRS). More details will be available at [CVE-2021-22959](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22959) after publication.
 * **CVE-2021-22960**: HTTP Request Smuggling when parsing the body (Medium)
-  * The parse ignores chunk extensions when parsing the body of chunked requests. This leads to HTTP Request Smuggling (HRS) under certain conditions. More details will be available at [CVE-2021-22960](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22960) after publication.
+  * The http parser ignores chunk extensions when parsing the body of chunked requests. This leads to HTTP Request Smuggling (HRS) under certain conditions. More details will be available at [CVE-2021-22960](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22960) after publication.
 
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