diff --git a/dist/charts/ping-exporter/files/prometheus.rules b/dist/charts/ping-exporter/files/prometheus.rules
index 1974e8a..9f574fc 100644
--- a/dist/charts/ping-exporter/files/prometheus.rules
+++ b/dist/charts/ping-exporter/files/prometheus.rules
@@ -1,11 +1,11 @@
     - alert: HighPingLossRatio
-      expr: round(ping_loss_ratio * 100) > 0
+      expr: round(ping_loss_ratio * 100) > 5
       for: 5m
       labels:
         severity: warning
       annotations:
         summary: High ping loss ratio for {{ $labels.target }}
-        description: "Ping loss ratio for {{ $labels.target }} is {{ $value }}"
+        description: "Ping loss ratio for {{ $labels.target }} is {{ $value }}%"
     - alert: HighPingRtt
       expr: round(ping_rtt_mean_seconds * 1000, 0.1) > 100
       for: 5m