diff --git a/ansible/roles/cacerts/README.md b/ansible/roles/cacerts/README.md
index 654c36884..22c6debb6 100644
--- a/ansible/roles/cacerts/README.md
+++ b/ansible/roles/cacerts/README.md
@@ -4,7 +4,7 @@ Configure CA certificates and trusts.
 
 ## Role variables
 
-- `ca-certificates`: Optional str. Path to directory containing certificates
+- `cacerts_cert_dir`: Optional str. Path to directory containing certificates
   in PEM or DER format. Any files here will be added to the list of CAs trusted
   by the system.