diff --git a/modules/upgrade_dist.sh b/modules/upgrade_dist.sh
index 9dbc25e..fefb6fc 100644
--- a/modules/upgrade_dist.sh
+++ b/modules/upgrade_dist.sh
@@ -72,7 +72,7 @@ upgrade_dist()
     if [[ NO_MAIN_SOURCE==true ]]; then
         install_file "pkgman/${SYS_DIST}_${SYS_VER}.list" "/etc/apt/sources.list.d/debian.${SOURCE_EXT}"
     else
-	# We don't use SYS_EXT
+	# We don't use SOURCE_EXT
         install_file "pkgman/${SYS_DIST}_${SYS_VER}.list" "/etc/apt/sources.list"
     fi