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Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

Author: tsmbland

src/simulation/prices.rs

@@ -521,7 +521,7 @@ fn add_marginal_cost_prices<'a, I, J>(
         IndexMap<AssetRef, WeightedAverageAccumulator>,
     > = IndexMap::new();
 
-    // Iterate over candidate assets (assuming full utilization)
+    // Iterate over candidate assets (assuming full utilisation)
     for (asset, time_slice) in activity_keys_for_candidates {
         let region_id = asset.region_id();