diff --git a/install_minimal/include/airtime-installed-check.php b/install_minimal/include/airtime-installed-check.php
index e4ad0bbf9..f65f44bbf 100644
--- a/install_minimal/include/airtime-installed-check.php
+++ b/install_minimal/include/airtime-installed-check.php
@@ -15,6 +15,8 @@ require_once(__DIR__.'/airtime-constants.php');
 AirtimeInstall::ExitIfNotRoot();
 
 if (!file_exists('/etc/airtime/airtime.conf')) {
+    #airtime.conf doesn't exist, and we need it to connect to database
+    #Assume Airtime is not installed.
     return 0;
 }