diff --git a/bundles/org.openhab.ui/doc/components/oh-cell.md b/bundles/org.openhab.ui/doc/components/oh-cell.md
index 9fe490c9c4..031ff421f5 100644
--- a/bundles/org.openhab.ui/doc/components/oh-cell.md
+++ b/bundles/org.openhab.ui/doc/components/oh-cell.md
@@ -240,6 +240,11 @@ A regular or expandable cell
     Colors of the trend line (see <a target="_blank" class="external text-color-blue" href="https://github.com/QingWei-Li/vue-trend#props">vue-trend</a>)
   </PropDescription>
 </PropBlock>
+<PropBlock type="TEXT" name="trendSampling" label="Trend Line Sampling">
+  <PropDescription>
+    Amount of minutes between each point of the trendline (default: 60). Affected by persistence strategies different from "every minute"
+  </PropDescription>
+</PropBlock>
 </PropGroup>
 </div>
 
diff --git a/bundles/org.openhab.ui/doc/components/oh-label-card.md b/bundles/org.openhab.ui/doc/components/oh-label-card.md
index 2cce314c1c..a867303991 100644
--- a/bundles/org.openhab.ui/doc/components/oh-label-card.md
+++ b/bundles/org.openhab.ui/doc/components/oh-label-card.md
@@ -287,6 +287,11 @@ Display the state of an item in a card
     Colors of the trend line (see <a target="_blank" class="external text-color-blue" href="https://github.com/QingWei-Li/vue-trend#props">vue-trend</a>)
   </PropDescription>
 </PropBlock>
+<PropBlock type="TEXT" name="trendSampling" label="Trend Line Sampling">
+  <PropDescription>
+    Amount of minutes between each point of the trendline (default: 60). Affected by persistence strategies different from "every minute"
+  </PropDescription>
+</PropBlock>
 </PropGroup>
 </div>
 
diff --git a/bundles/org.openhab.ui/doc/components/oh-label-cell.md b/bundles/org.openhab.ui/doc/components/oh-label-cell.md
index c63bd81ad2..b865c1a4bc 100644
--- a/bundles/org.openhab.ui/doc/components/oh-label-cell.md
+++ b/bundles/org.openhab.ui/doc/components/oh-label-cell.md
@@ -256,6 +256,11 @@ A cell with a big label to show a short item state value
     Colors of the trend line (see <a target="_blank" class="external text-color-blue" href="https://github.com/QingWei-Li/vue-trend#props">vue-trend</a>)
   </PropDescription>
 </PropBlock>
+<PropBlock type="TEXT" name="trendSampling" label="Trend Line Sampling">
+  <PropDescription>
+    Amount of minutes between each point of the trendline (default: 60). Affected by persistence strategies different from "every minute"
+  </PropDescription>
+</PropBlock>
 </PropGroup>
 </div>