diff --git a/templates/definition/tariff/forecast-solar.yaml b/templates/definition/tariff/forecast-solar.yaml
index 85cee00fcb..9280b0fb1c 100644
--- a/templates/definition/tariff/forecast-solar.yaml
+++ b/templates/definition/tariff/forecast-solar.yaml
@@ -34,8 +34,8 @@ params:
       en: azimuth
       de: Azimut
     help:
-      en: 0 = south, 90 = west, 180 = north, 270 = east
-      de: 0 = Süden, 90 = Westen, 180 = Norden, 270 = Osten
+      en: -180 = north, -90 = east, 0 = south, 90 = west, 180 = north
+      de: -180 = Norden, -90 = Osten, 0 = Süden, 90 = Westen, 180 = Norden
     example: 180
     required: true
   - name: kwp