fix: typos in documentation files (#1327)

Author: leopardracer

SECURITY.md

@@ -28,7 +28,7 @@ Issues in the **PUBLIC** track affect niche configurations, have very limited im
 
 Issues in the **PRIVATE** track are violations of committed security properties.
 
-**PRIVATE** track issues are fixed in the next scheduled minor releases , and are kept private until then.
+**PRIVATE** track issues are fixed in the next scheduled minor releases, and are kept private until then.
 
 Three to seven days before the release, a pre-announcement is sent to [`gnark-announce`] and [@gnark_team], announcing the presence of a security fix in the upcoming releases, and which component in gnark is affected; compiler, constraint system or proof system (but not disclosing any more details).
 
@@ -59,4 +59,4 @@ This process can take some time, especially when coordination is required with m
 The best way to receive security announcements is to subscribe to the [`gnark-announce`] mailing list. Any messages pertaining to a security issue will be prefixed with \[security\].
 
 [`gnark-announce`]: https://groups.google.com/g/gnark-announce
-[@gnark_team]: https://twitter.com/gnark_team
+[@gnark_team]: https://twitter.com/gnark_team