Fix typo in file alertmanager-values.yaml

Change-Id: If2c17971aab5d1c37987d18d2c24ec5864a132f1
Signed-off-by: aguilard <e.dah.tid@telefonica.com>
diff --git a/installers/helm/values/alertmanager-values.yaml b/installers/helm/values/alertmanager-values.yaml
index cdad8d9..c140c50 100644
--- a/installers/helm/values/alertmanager-values.yaml
+++ b/installers/helm/values/alertmanager-values.yaml
@@ -36,8 +36,8 @@
     receiver: default-receiver
     routes:
     - receiver: vdu-webhook
-      matchers:
       repeat_interval: 15m
+      matchers:
       - alertname = "vdu_down"
     - receiver: 'scaleout-webhook'
       repeat_interval: 5m