diff --git a/Customising-sources-for-ad-lists.md b/Customising-sources-for-ad-lists.md
index 30b9654..6c2c869 100644
--- a/Customising-sources-for-ad-lists.md
+++ b/Customising-sources-for-ad-lists.md
@@ -16,6 +16,6 @@ If you wish to remove any of these lists, or add your own on top, then make a co
 
 To do this, use the following commands:
 
-`cp /etc/pihole/adlists.default /etc/pihole/adlists.default` (to make a copy)
+`cp /etc/pihole/adlists.default /etc/pihole/adlists.list` (to make a copy)
 
 `nano /etc/pihole/adlists.list` (to make changes to `adlists.list`)
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