diff --git a/doc/ssh-keys-import.md b/doc/ssh-keys-import.md
index e6ae96c..3dc8ccf 100644
--- a/doc/ssh-keys-import.md
+++ b/doc/ssh-keys-import.md
@@ -26,7 +26,7 @@ Then run the script:
 
 Starting with an `authorized_keys` file you can split it on a shell:
 
-    grep -E '^ssh-rsa' authorized_keys | while read type key name; do echo $type $key $name > $name.pub; done
+    grep -E '^ssh-rsa' authorized_keys | nl -nrz | while read num type key name; do echo $type $key $name > $num-$name.pub; done
 
 ---
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