diff --git a/README.md b/README.md
index 415c6ab..e48951b 100644
--- a/README.md
+++ b/README.md
@@ -41,4 +41,4 @@ The secrets are managed in sops files within the hosts folders, there is only on
 
 ``nix-shell -p sops --run "sops ./nixos/hosts/<hostname>/secrets/sops.yaml"``
 
-This requires your system to have the keyfile available for sops to use, by default sops looks in the sops/age folder in your user folder for a keys.txt file with the private key. You can change this behaviour by setting the **$SOPS_AGE_KEY_FILE** environment variable, or setting the **SOPS_AGE_KEY** environment variable to the key itself.
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+This requires your system to have the keyfile available for sops to use, by default sops looks in the sops/age folder in your user folder for a keys.txt file with the private key. You can change this behaviour by setting the **\$SOPS_AGE_KEY_FILE** environment variable, or setting the **\$SOPS_AGE_KEY** environment variable to the key itself.
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