(chore) 8.8.1 stable release notes (#20647)

# Overview

adding to the 8.8.1 hotfix release notes + clarifying that robots need
this update to reboot _if_ error recovery was enabled in 8.8.0.

## Test Plan and Hands on Testing



## Changelog

added this to robot software release notes only. 

## Review requests



## Risk assessment

low

Author: emilyburghardt

api/release-notes.md

@@ -10,7 +10,9 @@ By installing and using Opentrons software, you agree to the Opentrons End-User
 
 ## Opentrons Robot Software Changes in 8.8.1
 
-The 8.8.1 hotfix release includes a small fix to allow all robots to properly reboot after an upgrade to v8.8.0.
+The 8.8.1 hotfix release includes a small fix to allow all robots to properly boot after a recent upgrade.
+
+If error recovery was enabled in v8.8.0, installing v8.8.1 allows the robot to properly boot. 
 
 ## Opentrons Robot Software Changes in 8.8.0
 

app-shell/build/release-notes.md

@@ -10,7 +10,7 @@ By installing and using Opentrons software, you agree to the Opentrons End-User
 
 There are no changes to the Opentrons App in v8.8.1.
 
-Installing robot software v8.8.1 allows all robots to properly reboot after a recent upgrade to robot software to v8.8.0.
+Installing robot software v8.8.1 allows all robots to properly boot after a recent upgrade to robot software v8.8.0.
 
 ## Opentrons App Changes in 8.8.0