diff --git a/roles/set_semaphore_count/README.md b/roles/set_semaphore_count/README.md
index 4ced0b4e1eab6854ff6b6eaa1818691fbeaee2c8..2dc03ea31a574196932a811e5a27dc0509236c81 100644
--- a/roles/set_semaphore_count/README.md
+++ b/roles/set_semaphore_count/README.md
@@ -1,7 +1,7 @@
 Some programs, i.e. GAMESS, needs a larger number of system semaphores than  provided by default.
-This role creates a systemctl  file that sets the value on startup, so that it is persistent after reboot
+This role creates a config  file in /etc/sysctl.d/  that sets the value on startup, so that it is persistent after reboot
 
-Shell command to set count: This is the default value for the role
+It also runs a Shell command so change has immediate effect: This is the default value for the role
 echo 500 256000 64 10240 > /proc/sys/kernel/sem
 
 We use a variable SEM_COUNT so users can override the default setting.