diff --git a/locales/en/messages.json b/locales/en/messages.json
index f7270d978a..13c63745ee 100755
--- a/locales/en/messages.json
+++ b/locales/en/messages.json
@@ -1747,6 +1747,9 @@
     "portsSerialRx": {
         "message": "Serial Rx"
     },
+    "portsSerialRxHelp": {
+        "message": "Enable or disable Remote Control serial Receiver (RX) on specified UART. Only one allowed."
+    },
     "portsSensorIn": {
         "message": "Sensor Input"
     },
diff --git a/src/css/tabs/ports.less b/src/css/tabs/ports.less
index fb6d10f8a2..b6802ec851 100644
--- a/src/css/tabs/ports.less
+++ b/src/css/tabs/ports.less
@@ -38,7 +38,7 @@
             max-width: 10rem;
         }
         thead {
-            td {
+            th {
                 padding: 0.5rem;
                 background-color: var(--surface-300);
                 color: var(--text);
@@ -49,6 +49,9 @@
                     border-top-right-radius: 0.75rem;
                 }
             }
+            .helpicon {
+                margin-top: 2px;
+            }
         }
         tbody {
             // first and last td of last tr
diff --git a/src/tabs/ports.html b/src/tabs/ports.html
index ce8c21db8c..87324aafb0 100644
--- a/src/tabs/ports.html
+++ b/src/tabs/ports.html
@@ -15,12 +15,12 @@
             <table class="ports">
                 <thead>
                     <tr>
-                        <td i18n="portsIdentifier" class="sm-min"/>
-                        <td i18n="portsConfiguration" class="config">
-                        <td i18n="portsSerialRx">
-                        <td i18n="portsTelemetryOut">
-                        <td i18n="portsSensorIn">
-                        <td i18n="portsPeripherals">
+                        <th i18n="portsIdentifier" class="sm-min"/></th>
+                        <th i18n="portsConfiguration" class="config"></th>
+                        <th><span i18n="portsSerialRx"></span><span class="helpicon cf_tip" i18n_title="portsSerialRxHelp"></span></th>
+                        <th i18n="portsTelemetryOut"></th>
+                        <th i18n="portsSensorIn"></th>
+                        <th i18n="portsPeripherals"></th>
                     </tr>
                 </thead>
                 <tbody>