Clarify BVH performance support documentation

CityDoctorParent/CityDoctorValidation/src/test/java/de/hft/stuttgart/citydoctor2/checks/aabb/support/BvhPerformanceTestSupport.java

@@ -14,7 +14,7 @@ import de.hft.stuttgart.citydoctor2.datastructure.aabb.SplitStrategy;
 /**
  * Shared support for manual BVH performance probes.
  *
- * It performs a warmup, repeats the measured operation, validates stable
+ * It performs a warm-up, repeats the measured operation, validates stable
  * result counts, suppresses noisy debug output during the measured operation,
  * and prints one compact table per scenario. Timings are intended for local
  * comparison of variants, not as deterministic CI assertions.