Fix vale errors (#4231)

* fix lint-prose-platform

* Fix lint-prose-upsun

contributing/styles/config/vocabularies/Platform/accept.txt

@@ -44,6 +44,7 @@ Ecto
 ESLint
 failover
 Fastly
+flamegraph
 Galera
 Gemfile
 gevent
@@ -169,6 +170,7 @@ Shopware
 shortcode
 Slowloris
 Splunk
+stacktrace
 Stempel
 stderr
 stdout
@@ -180,6 +182,7 @@ Swoole
 [Ss]yslog
 systemd
 Thorntail
+timeframe
 TLDs?
 Tomitribe
 Toran

sites/platform/src/administration/security/mfa.md

@@ -39,7 +39,7 @@ To enable MFA on your user account, follow these steps:
 TO enable MFA within your organization, follow these steps:
 
 1. In the Console, open the organization dropdown menu on the leftmost navigation.
-2. In the exanded navigation on the right hand side, click **Security**. This will take you to the **User security settings** view.
+2. In the expanded navigation on the right hand side, click **Security**. This will take you to the **User security settings** view.
 3. In the **MFA required** area, set the **Enable** toggle on.
 
 {{% note %}}
@@ -51,7 +51,7 @@ Under **User security settings**, you can view which users in your organization
 You can send email reminders to users who haven't enabled MFA on their user account yet. To do so, follow these steps:
 
 1. In the Console, open the organization dropdown menu on the leftmost navigation.
-2. In the exanded navigation on the right hand side, click **Security**. This will take you to the **User security settings** view.
+2. In the expanded navigation on the right hand side, click **Security**. This will take you to the **User security settings** view.
 3. In the **User security settings** area, find the user you want to send a reminder to.
 4. Click **{{< icon more >}} More** next to that user.
 5. Select **Remind**.</br>