diff --git a/data/index.html b/data/index.html
index 5c733df..28d8088 100644
--- a/data/index.html
+++ b/data/index.html
@@ -28,12 +28,14 @@
       <table>
         <tr>
           <td class="chart-container">
-            <h2>Channel A:</h2>
+            <h2>Channel A:</h2> 
+            <label for="labelA">label: </label><input type="text" value="tempA" id="labelA">
             <div id="error-tempA"></div>
             <canvas id="chartA"></canvas>
           </td>
           <td class="chart-container">
             <h2>Channel B:</h2>
+            <label for="labelB">label: </label><input type="text" value="tempB" id="labelB">
             <div id="error-tempB"></div>
             <canvas id="chartB"></canvas>
           </td>
diff --git a/data/script.js b/data/script.js
index 7192c41..c7a8513 100644
--- a/data/script.js
+++ b/data/script.js
@@ -5,7 +5,8 @@ document.getElementById("stopRec").disabled = true;
 let data;
 let record = 0;
 let filename;
-const csvData = ["time, tempA, tempB"];
+let csvData;
+let labelA, labelB;
 const chartAdata = {
   data: {
     labels: [],
@@ -250,6 +251,9 @@ function startRecording() {
   date = new Date();
   let filedate = date.toISOString().slice(0, -5).replaceAll(":", "");
   filename = "therminator-" + filedate + ".csv";
+  labelA = document.getElementById("labelA").value;
+  labelB = document.getElementById("labelB").value;
+  csvData = ["time,\"" + labelA + "\",\"" + labelB + "\""]
   record = 1;
   document.getElementById("startRec").disabled = true;
   document.getElementById("stopRec").disabled = false;