diff --git a/pump/medtrum/src/main/java/info/nightscout/pump/medtrum/ui/viewmodel/MedtrumOverviewViewModel.kt b/pump/medtrum/src/main/java/info/nightscout/pump/medtrum/ui/viewmodel/MedtrumOverviewViewModel.kt
index 4a15896413..3c07719720 100644
--- a/pump/medtrum/src/main/java/info/nightscout/pump/medtrum/ui/viewmodel/MedtrumOverviewViewModel.kt
+++ b/pump/medtrum/src/main/java/info/nightscout/pump/medtrum/ui/viewmodel/MedtrumOverviewViewModel.kt
@@ -180,7 +180,7 @@ class MedtrumOverviewViewModel @Inject constructor(
         _patchNo.postValue(medtrumPump.patchId.toString())
 
         if (medtrumPump.desiredPatchExpiration) {
-            val expiry = medtrumPump.patchStartTime + T.hours(84).msecs()
+            val expiry = medtrumPump.patchStartTime + T.hours(72).msecs()
             _patchExpiry.postValue(dateUtil.dateAndTimeString(expiry))
         } else {
             _patchExpiry.postValue(rh.gs(R.string.expiry_not_enabled))
diff --git a/pump/medtrum/src/main/res/values/strings.xml b/pump/medtrum/src/main/res/values/strings.xml
index 98f5ae6a8c..99b8478c92 100644
--- a/pump/medtrum/src/main/res/values/strings.xml
+++ b/pump/medtrum/src/main/res/values/strings.xml
@@ -133,7 +133,7 @@
     <string name="alarm_setting_title">Alarm Settings</string>
     <string name="alarm_setting_summary">Select your preferred pump alarm settings.</string>
     <string name="patch_expiration_title">Patch Expiration</string>
-    <string name="patch_expiration_summary">Turn this on to get an alert 12 hours before the patch expiration. When enabled, the patch will expire after 3.5 days.</string>
+    <string name="patch_expiration_summary">When enabled, the patch will expire after 3 days, with a grace period of 8 hours after that.</string>
     <string name="hourly_max_insulin_title">Hourly Maximum Insulin</string>
     <string name="hourly_max_insulin_summary">Specify the maximum units of insulin allowed per hour. If exceeded, the pump will suspend.</string>
     <string name="daily_max_insulin_title">Daily Maximum Insulin</string>