diff --git a/supernodes/node-setup.mdx b/supernodes/node-setup.mdx
index 56b8392..1bc40b8 100644
--- a/supernodes/node-setup.mdx
+++ b/supernodes/node-setup.mdx
@@ -45,7 +45,7 @@ The SuperNode needs a gRPC endpoint to query the chain and broadcast its on-chai
 The simplest and most common setup points `sn-manager` at a public testnet-2 gRPC endpoint. You do not need to touch your validator, open any ports on it, or edit `app.toml`. Pick one of these endpoints, or find more on the [networks page](/networks).
 
 - `grpc.testnet.lumera.io:443` (official)
-- `https://lumera-testnet-grpc.linknode.org` (AstroStake)
+- `lumera-testnet-grpc.linknode.org:443` (AstroStake)
 - `lumera-testnet-grpc.stakerhouse.com:443` (StakerHouse)
 - `https://grpc-t.lumera.nodestake.org/` (Nodestake)