diff --git a/docs/index.md b/docs/index.md
index 074f31ba..2fe82ac8 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -37,7 +37,6 @@ resource "tls_private_key" "example" {
 }
 
 resource "tls_self_signed_cert" "example" {
-  key_algorithm   = tls_private_key.example.algorithm
   private_key_pem = tls_private_key.example.private_key_pem
 
   # Certificate expires after 12 hours.