feat(issues): Add more is:for_review details

docs/concepts/search/searchable-properties/issues.mdx

@@ -230,7 +230,7 @@ The event or replay id. In **Issues**, use only the ID value without the `id` ke
 
 ### `is`
 
-The properties of an issue. Values can be: `unresolved`, `resolved`, `archived`, `assigned`, `unassigned`, `linked`, or `unlinked`. The `linked` and `unlinked` values return issues based on whether they are linked to an external issue tracker or not.
+The properties of an issue. Values can be: `unresolved`, `resolved`, `archived`, `assigned`, `unassigned`, `for_review`, `linked`, or `unlinked`. The `for_review` value filters unresolved issues and only shows the recently unresolved or new issues that haven't been marked as "reviewed".  The `linked` and `unlinked` values return issues based on whether they're linked to an external issue tracker or not.
 
 - **Type:** status
 

docs/product/issues/index.mdx

@@ -43,7 +43,7 @@ There are two categories of issues: [_error issues_](/product/issues/issue-detai
 From the **Issues** page, you can begin to triage. The page is organized into tabs, each corresponding to a filtered list of issues, and these different lists help you with triaging:
 
 - All Unresolved (`is:unresolved`): All unresolved issues, including issues that need review.
-- For Review (`is:unresolved is:for_review`): Also called **Review List**. Issues that need to be reviewed; for-review issues are a subset of all unresolved issues.
+- For Review (`is:unresolved is:for_review`). Also called **Review List**,  for-review issues are a subset of all unresolved issues and can include new issues or regressions that haven't been reviewed yet.
 - Regressed (`is:regressed`): All regressed issues; resolved issues that have come up again.
 - Archived (`is:archived`): All archived issues.
 - Escalating (`is:escalating`): All escalating issues; previously archived issues that have exceeded their forecasted event volume.

docs/product/issues/states-triage/index.mdx

@@ -25,7 +25,7 @@ One way to limit the issues that you see is by selecting a tab at the top of the
 
 ## Manually Triaging Issues
 
-While some issue statuses are added and updated automatically, you can manually `Archive` or `Resolve` an issue, which will also change its status.
+While some issue statuses are added and updated automatically, you can manually `Archive` or `Resolve` an issue, which will also change its status and remove it from the `is:for_review` list. Items in the `is:for_review` list are new, regressed, or unresolved issues that haven't been reviewed yet.
 
 ### Archive