diff --git a/concho/config.py b/concho/config.py
index 87bf6b1..ee09a5f 100644
--- a/concho/config.py
+++ b/concho/config.py
@@ -385,7 +385,7 @@ class Config():
                 xeon_6248_avx512_base_freq = 1600.0  # https://en.wikichip.org/wiki/intel/xeon_gold/6248
                 dynamic_frequency_scaling = xeon_6248_avx512_base_freq / xeon_6248_base_freq
             elif self.cpu.architecture == 'icelake':
-                dynamic_frequency_scaling = 0.9
+                dynamic_frequency_scaling = 0.9  # 0.9 is a guesstimate based on a web page that I found in january 2023  (I can't find it anymore) which showed that the frequence was less lowered on ice lake... if we could find actual figures, it would be great
         cpu_clock_when_computing = self.cpu.clock * dynamic_frequency_scaling
         flops = self.cpu.num_dp_flop_per_cycle * cpu_clock_when_computing * 1.e9 * self.cpu.num_cores * self.num_cpu_per_server * self.num_servers
         return flops