Fix documentation in README code example

README.md

@@ -42,9 +42,8 @@ use sysinfo::{
     Components, Disks, Networks, System,
 };
 
-// Please note that we use "new_all" to ensure that all list of
-// components, network interfaces, disks and users are already
-// filled!
+// Please note that we use "new_all" to ensure that all lists of
+// CPUs and processes are filled!
 let mut sys = System::new_all();
 
 // First we update all information of our `System` struct.