diff --git a/health-check.sh b/health-check.sh
index 8aba9a1..411ef4c 100755
--- a/health-check.sh
+++ b/health-check.sh
@@ -67,11 +67,11 @@ check_disk() {
     total_kb=$(df --block-size=1K / | awk 'NR==2 {print $2}')
     total_pct=$(( used_kb * 100 / total_kb ))
     if [ "$total_pct" -ge 90 ]; then
-        fail "Total disk usage at ${total_pct}% on / — critically low"
+        fail "Total disk usage at ${total_pct}% (root filesystem) — critically low"
     elif [ "$total_pct" -ge 80 ]; then
-        warn "Total disk usage at ${total_pct}% on /"
+        warn "Total disk usage at ${total_pct}% (root filesystem)"
     else
-        ok "Total disk usage at ${total_pct}% on /"
+        ok "Total disk usage at ${total_pct}% (root filesystem)"
     fi
 }