diff --git a/sysctl.d/50-pid-max.conf b/sysctl.d/50-pid-max.conf
index 1eff2d7ecee..2beaf48f21f 100644
--- a/sysctl.d/50-pid-max.conf
+++ b/sysctl.d/50-pid-max.conf
@@ -11,6 +11,6 @@
 # (e.g. /etc/sysctl.d/90-override.conf), and put any assignments
 # there.
 
-# Bump the numeric PID range to its maximum of 2^22 (from the in-kernel default
-# of 2^16), to make PID collisions less likely.
+# Bump the numeric PID range to make PID collisions less likely.
+# 2^22 and 2^15 is possible maximum of 64bit and 32bit kernels respectively.
 kernel.pid_max = 4194304