diff --git a/check_pf_version b/check_pf_version
index 7241056..7b0013e 100644
--- a/check_pf_version
+++ b/check_pf_version
@@ -1,6 +1,13 @@
 #!/usr/local/bin/php -f
 <?
 
+# This check pulls the version from the website and compares it
+# to the installed version. 
+# Many thanks to Atadilo for fixing the code and simplifying it.
+
+# Created 15 Dec 2017
+# Modified 17 Oct 2019
+
 require_once("pkg-utils.inc");
 $system_pkg_version  = get_system_pkg_version();
 
@@ -16,4 +23,6 @@ $additional_info .= "Built on: ".$current_installed_buildtime."\n";
 $additional_info .= "Remote version: ".$system_pkg_version['version']."\n";
 
 echo $additional_info;
-exit ($exitcode);
\ No newline at end of file
+exit ($exitcode);
+
+?>