diff --git a/backend/placeholder_registrations/nutrition_part_b.py b/backend/placeholder_registrations/nutrition_part_b.py
index 43d20ab..8e78f46 100644
--- a/backend/placeholder_registrations/nutrition_part_b.py
+++ b/backend/placeholder_registrations/nutrition_part_b.py
@@ -208,7 +208,7 @@ def register_nutrition_part_b():
         ),
         business_meaning="Zentraler Zielindikator für Muskelerhalt und Aufbau",
         unit="g/kg/day",
-        time_window="mixed",  # protein 7d, weight snapshot
+        time_window="7d",  # dominante Komponente (protein); weight ist snapshot, aber secondary
         output_type=OutputType.NUMERIC,
         placeholder_type=PlaceholderType.INTERPRETED,
         format_hint="Dezimalzahl (1-2 Stellen)",
@@ -367,7 +367,7 @@ def register_nutrition_part_b():
             "Final score: average over 28d."
         ),
         business_meaning="Verdichteter Zielerreichungsindikator für Proteinversorgung",
-        unit="score",
+        unit="score (0-100)",
         time_window="28d",
         output_type=OutputType.NUMERIC,
         placeholder_type=PlaceholderType.SCORE,