diff --git a/inxi b/inxi
index c1cd7cf..a604a6e 100755
--- a/inxi
+++ b/inxi
@@ -1499,6 +1499,9 @@ print_system_data()
 	print_screen_output "$system_data"
 }
 
+## main function to print out, master for all sub print functions.
+## note that it passes local variable values on to its children,
+## and in some cases, their children, with lspci_data
 print_it_out()
 {
 	## note: remember that in bash, child functions inherit local variables