diff --git a/vllm/platforms/cpu.py b/vllm/platforms/cpu.py
index af7bee041..cd6c093ce 100644
--- a/vllm/platforms/cpu.py
+++ b/vllm/platforms/cpu.py
@@ -76,7 +76,9 @@ class CpuPlatform(Platform):
     dist_backend: str = "gloo"
     device_control_env_var = "CPU_VISIBLE_MEMORY_NODES"
     omp_process_manager = None
-    smt = 1  # SMT level for OMP - 4 threads on PowerPC, 1 on others
+    # Simultaneous Multithreading (SMT) level for OpenMP:
+    # 4 on PowerPC, 1 on non-PowerPC architectures
+    smt = 1
     global_cpu_mask = None
     simulate_numa = int(os.environ.get("_SIM_MULTI_NUMA", 0))