Reference docs: default timeout for scripts and software (#22908)

- We made script timeouts configurable in this user story: #16645
- We added a default timeout for software in this bug: #22558

Author: noahtalerman

docs/REST API/rest-api.md

@@ -8425,6 +8425,8 @@ The script will be added to the host's list of upcoming activities.
 
 The new script will run after other activities finish. Failure of one activity won't cancel other activities.
 
+By default, script runs time out after 5 minutes. You can modify this default in your [agent configuration](https://fleetdm.com/docs/configuration/agent-configuration#script-execution-timeout).
+
 `POST /api/v1/fleet/scripts/run`
 
 #### Parameters
@@ -9480,7 +9482,9 @@ Add App Store (VPP) app purchased in Apple Business Manager.
 
 _Available in Fleet Premium._
 
-Install software (package or App Store app) on a macOS, iOS, iPadOS, Windows, or Linux (Ubuntu) host. Software title must have a `software_package` or `app_store_app` added to be installed.
+Install software (package or App Store app) on a macOS, iOS, iPadOS, Windows, or Linux (Ubuntu) host. Software title must have a `software_package` or `app_store_app` to be installed.
+
+Package installs time out after 1 hour.
 
 `POST /api/v1/fleet/hosts/:id/software/:software_title_id/install`