diff --git a/sisr1/tp04/auto_nat/README.md b/sisr1/tp04/auto_nat/README.md
index d433438..58dba92 100644
--- a/sisr1/tp04/auto_nat/README.md
+++ b/sisr1/tp04/auto_nat/README.md
@@ -1,2 +1,2 @@
-Copy to /etc/systemd/system . (Do not put the space or the dot, nor this text in parentheses or the text that's before the first forwards slash)
-Anywhere else will NOT WORK !
\ No newline at end of file
+Copy to /etc/systemd/system.
+This file is a service to automate the NAT on the Virtual Machine.
\ No newline at end of file