docs(chore): Fix extra bracket in email sanitization allowed attrs

.env.example

@@ -42,7 +42,7 @@ TRACECAT__ALLOW_ORIGINS=http://localhost:3000,${PUBLIC_APP_URL}
 TRACECAT__DB_SSLMODE=disable
 # Email Sanitization
 # Key-value pairs of allowed attributes to add to the email body
-# e.g. {"*": {"style"}}) # It allow all tags to have a style attribute
+# e.g. {"*": {"style"}} # This allows all tags to have a style attribute
 TRACECAT__ALLOWED_EMAIL_ATTRIBUTES=
 
 # --- Postgres ---