diff --git a/dashboard/src/components/GraphItem.vue b/dashboard/src/components/GraphItem.vue
index 3fc50ba8f..d828ede3d 100644
--- a/dashboard/src/components/GraphItem.vue
+++ b/dashboard/src/components/GraphItem.vue
@@ -45,7 +45,10 @@ function createGraphOptions({ yscale, period, displayLegend }) {
       tooltip: {
         callbacks: {
           title: (tooltipItem) => moment(tooltipItem[0].raw.x).format(period.tooltipFormat),
-          label: (tooltipItem) => yscale.ticks.callback(tooltipItem.raw.y)
+          label: (tooltipItem) => {
+            const datasetLabel = tooltipItem.chart.data.datasets[tooltipItem.datasetIndex].label;
+            return `${datasetLabel}: ${yscale.ticks.callback(tooltipItem.raw.y)}`;
+          }
         }
       }
     },
diff --git a/dashboard/src/components/SystemMetrics.vue b/dashboard/src/components/SystemMetrics.vue
index 7e7fdcdbb..be372b368 100644
--- a/dashboard/src/components/SystemMetrics.vue
+++ b/dashboard/src/components/SystemMetrics.vue
@@ -15,7 +15,7 @@ const systemModel = SystemModel.create();
 
 const periods = [
   { hours: 0,     label: t('app.graphs.period.live'), format: 'hh:mm A', tooltipFormat: 'hh:mm:ss A' },
-  { hours: 1,     label: t('app.graphs.period.1h'), format: 'hh:mm A', tooltipFormat: 'hh:mm A' },
+  { hours: 1,     label: t('app.graphs.period.1h'), format: 'hh:mm A', tooltipFormat: 'hh:mm:ss A' },
   { hours: 6,     label: t('app.graphs.period.6h'), format: 'hh:mm A', tooltipFormat: 'hh:mm A' },
   { hours: 12,    label: t('app.graphs.period.12h'), format: 'hh:mm A', tooltipFormat: 'hh:mm A' },
   { hours: 24,    label: t('app.graphs.period.24h'), format: 'hh:mm A', tooltipFormat: 'hh:mm A' },
diff --git a/dashboard/src/components/app/Graphs.vue b/dashboard/src/components/app/Graphs.vue
index 53ef2d12a..c1d01a5fa 100644
--- a/dashboard/src/components/app/Graphs.vue
+++ b/dashboard/src/components/app/Graphs.vue
@@ -18,7 +18,7 @@ const systemModel = SystemModel.create();
 
 const periods = [
   { hours: 0,     label: t('app.graphs.period.live'), format: 'hh:mm A', tooltipFormat: 'hh:mm:ss A' },
-  { hours: 1,     label: t('app.graphs.period.1h'), format: 'hh:mm A', tooltipFormat: 'hh:mm A' },
+  { hours: 1,     label: t('app.graphs.period.1h'), format: 'hh:mm A', tooltipFormat: 'hh:mm:ss A' },
   { hours: 6,     label: t('app.graphs.period.6h'), format: 'hh:mm A', tooltipFormat: 'hh:mm A' },
   { hours: 12,    label: t('app.graphs.period.12h'), format: 'hh:mm A', tooltipFormat: 'hh:mm A' },
   { hours: 24,    label: t('app.graphs.period.24h'), format: 'hh:mm A', tooltipFormat: 'hh:mm A' },
diff --git a/src/metrics.js b/src/metrics.js
index 5bf1b6946..bfd1cca6f 100644
--- a/src/metrics.js
+++ b/src/metrics.js
@@ -356,6 +356,9 @@ async function readSystemFromGraphite(options) {
 
 // CPU: stress --cpu 2 --timeout 60
 // Memory: stress --vm 2 --vm-bytes 256M
+// Network:
+//    raw stats: ip -s link show eth0
+//    testing: curl -o /dev/null https://ash-speed.hetzner.com/10GB.bin and then use nethogs eth0 (cycle with 'm')
 async function getSystem(options) {
     assert.strictEqual(typeof options, 'object');