diff --git a/pkg/elemental/l10n/en-us.yaml b/pkg/elemental/l10n/en-us.yaml
index 328e87a..b1d1843 100644
--- a/pkg/elemental/l10n/en-us.yaml
+++ b/pkg/elemental/l10n/en-us.yaml
@@ -182,6 +182,7 @@ elemental:
       machineReg: Registration Endpoint
       machineInv: Inventory of Machines
   clusterGroup:
+    helper: The Machine Count total, even if divided by multiple Machines Pools, must match the total amount of Inventory of Machines; otherwise, some Inventory of Machines might not report back if this condition isn't met.
     selector:
       label: Inventory of Machines Selector Template
       matchesAll: Matches all {total, number} existing Inventory of Machines
diff --git a/pkg/elemental/machine-config/machineinventoryselectortemplate.vue b/pkg/elemental/machine-config/machineinventoryselectortemplate.vue
index 151b362..9b9f31d 100644
--- a/pkg/elemental/machine-config/machineinventoryselectortemplate.vue
+++ b/pkg/elemental/machine-config/machineinventoryselectortemplate.vue
@@ -113,7 +113,8 @@ export default {
 
 <template>
   <div>
-    <h2 v-t="'elemental.clusterGroup.selector.label'" class="mt-20 mb-20" />
+    <h2 v-t="'elemental.clusterGroup.selector.label'" class="mt-20 mb-5" />
+    <p class="user-warn mb-20">{{ t('elemental.clusterGroup.helper', {}, true) }}</p>
     <MatchExpressions
       :mode="mode"
       :type="elementalType"
@@ -121,6 +122,7 @@ export default {
       :show-remove="false"
       :keys-select-options="machineInventorySelectorKeyOptions"
       @input="matchChanged($event)"
+      class="mb-40"
     />
     <Banner v-if="matchingMachineInventories" :color="(matchingMachineInventories.isNone || matchingMachineInventories.isAll ? 'warning' : 'success')">
       <span v-if="matchingMachineInventories.isAll" v-clean-html="t('elemental.clusterGroup.selector.matchesAll', matchingMachineInventories)" />
@@ -132,3 +134,10 @@ export default {
     </Banner>
   </div>
 </template>
+
+<style lang="scss" scoped>
+.user-warn {
+  font-size: 13px;
+  color: var(--darker);
+}
+</style>
\ No newline at end of file