diff --git a/lib/key_store_api/controllers/v1/key_store_controller.ex b/lib/key_store_api/controllers/v1/key_store_controller.ex
index dec1bbe49..ce91e1dc2 100644
--- a/lib/key_store_api/controllers/v1/key_store_controller.ex
+++ b/lib/key_store_api/controllers/v1/key_store_controller.ex
@@ -59,9 +59,9 @@ defmodule KeyStoreApi.V1.KeyStoreController do
 
         base_name = keystore.pubkey |> Utils.hex_encode()
 
+        # This overrides any existing credential with the same pubkey.
         File.write!(get_keystore_file_path(base_name), keystore_str)
         File.write!(get_keystore_pass_file_path(base_name), password_str)
-
         Libp2pPort.add_validator(keystore)
 
         %{
diff --git a/lib/libp2p_port.ex b/lib/libp2p_port.ex
index 919b41baf..18a2baf34 100644
--- a/lib/libp2p_port.ex
+++ b/lib/libp2p_port.ex
@@ -563,7 +563,6 @@ defmodule LambdaEthereumConsensus.Libp2pPort do
   @impl GenServer
   def handle_call({:add_validator, keystore}, _from, %{validators: validators} = state) do
     # TODO (#1263): handle 0 validators
-    # TODO (#1264): handle repeated validators
     first_validator = validators |> Map.values() |> List.first()
     validator = Validator.new({first_validator.slot, first_validator.root, keystore})