diff --git a/lib/about.js b/lib/about.js
index 8d48ca6..908c4c5 100644
--- a/lib/about.js
+++ b/lib/about.js
@@ -12,8 +12,8 @@ define(function () {
         '</p>' +
         '<h4>' + _.t('node.clients') + '</h4>' +
         '<p class="legend">' +
-        '<span class="legend-24ghz"><span class="symbol"></span> 2.4 Ghz</span>' +
-        '<span class="legend-5ghz"><span class="symbol"></span> 5 Ghz</span>' +
+        '<span class="legend-24ghz"><span class="symbol"></span> 2.4 GHz</span>' +
+        '<span class="legend-5ghz"><span class="symbol"></span> 5 GHz</span>' +
         '<span class="legend-others"><span class="symbol"></span> ' + _.t('others') + '</span>' +
         '</p>' +
         '<h3>AGPL 3</h3>' +
diff --git a/lib/utils/node.js b/lib/utils/node.js
index 9df5aa8..0ed439d 100644
--- a/lib/utils/node.js
+++ b/lib/utils/node.js
@@ -97,14 +97,14 @@ define(['snabbdom', 'helper', 'moment'], function (V, helper, moment) {
         [
           d.clients_wifi24,
           V.h('br'),
-          V.h('span', { props: { className: 'symbol', title: '2,4 Ghz' } })
+          V.h('span', { props: { className: 'symbol', title: '2,4 GHz' } })
         ]),
       V.h('span',
         { props: { className: 'legend-5ghz' } },
         [
           d.clients_wifi5,
           V.h('br'),
-          V.h('span', { props: { className: 'symbol', title: '5 Ghz' } })
+          V.h('span', { props: { className: 'symbol', title: '5 GHz' } })
         ]),
       V.h('span',
         { props: { className: 'legend-others' } },