diff --git a/web-bluetooth/sense-peanut/README.md b/web-bluetooth/sense-peanut/README.md
index 838f463..fe37f93 100644
--- a/web-bluetooth/sense-peanut/README.md
+++ b/web-bluetooth/sense-peanut/README.md
@@ -16,16 +16,19 @@ web app. Look at the `index.html` file and update the JavaScript constant
 const MY_PEANUTS = {
   '00:A0:50:46:06:1A': {
     'color': 'orange',
+    'label': '46:06:1A',
     'type': 'guard',
     'factoryKey': 'e4e7ba283c9e524bc559c51a27f388f0',
   },
   '00:A0:50:0C:11:08': {
     'color': 'blue',
+    'label': '0C:11:08',
     'type': 'thermo',
     'factoryKey': '2cd1d05935bfb2138f346bb24b9cbc23',
   },
   '00:A0:50:06:13:18': {
     'color': 'green',
+    'label': '06:13:18',
     'type': 'thermo',
     'factoryKey': 'ebaed4451f6e8bcc0f84a8c3d3574a8c',
   }
@@ -35,4 +38,3 @@ const MY_PEANUTS = {
 You can grab all these useful information from
 https://sen.se/developers/peanutkeys/ if you already have a Sen.se Developer
 Account and added your peanut into the official app.
-
diff --git a/web-bluetooth/sense-peanut/index.html b/web-bluetooth/sense-peanut/index.html
index 29912ed..43602ac 100644
--- a/web-bluetooth/sense-peanut/index.html
+++ b/web-bluetooth/sense-peanut/index.html
@@ -62,16 +62,19 @@
       const MY_PEANUTS = {
         '00:A0:50:46:06:1A': {
           'color': 'orange',
+          'label': '46:06:1A',
           'type': 'guard',
           'factoryKey': 'e4e7ba283c9e524bc559c51a27f388f0',
         },
         '00:A0:50:0C:11:08': {
           'color': 'blue',
+          'label': '0C:11:08',
           'type': 'thermo',
           'factoryKey': '2cd1d05935bfb2138f346bb24b9cbc23',
         },
         '00:A0:50:06:13:18': {
           'color': 'green',
+          'label': '06:13:18',
           'type': 'thermo',
           'factoryKey': 'ebaed4451f6e8bcc0f84a8c3d3574a8c',
         }
@@ -95,6 +98,7 @@
           peanut.factoryKey = MY_PEANUTS[macAddress].factoryKey;
           peanut.mac = macAddress;
           peanut.type = MY_PEANUTS[macAddress].type;
+          peanut.label = MY_PEANUTS[macAddress].label;
         })
         .then(_ => peanut.getPlainText())
         .then(clearText => peanut.setFactoryCipher(peanut.factoryKey, clearText))
@@ -111,7 +115,7 @@
             newButton.classList.add('mdl-button', 'mdl-js-button');
             newButton.dataset.mac = peanut.mac;
             newButton.dataset.color = peanut.color;
-            newButton.textContent = peanut.mac.substr(9, 8);
+            newButton.textContent = peanut.label;
             newButton.addEventListener('click', onConnectButtonClick);
             $('#buttons').appendChild(newButton);
             peanut.rgbColor = window.getComputedStyle(newButton).color;