diff --git a/Makefile b/Makefile
index 2a8f4b8bc..91dcd7e4b 100644
--- a/Makefile
+++ b/Makefile
@@ -107,7 +107,7 @@ checkpoint-sync: compile-all
 
 #▶️ sepolia: @ Run an interactive terminal using sepolia network
 sepolia: compile-all
-	iex -S mix run -- --checkpoint-sync-url https://sepolia.beaconstate.info --network sepolia --metrics
+	iex -S mix run -- --checkpoint-sync-url https://sepolia.beaconstate.info --network sepolia
 
 #▶️ holesky: @ Run an interactive terminal using holesky network
 holesky: compile-all
diff --git a/lib/lambda_ethereum_consensus/metrics.ex b/lib/lambda_ethereum_consensus/metrics.ex
index 5391cc5f1..109e75f3a 100644
--- a/lib/lambda_ethereum_consensus/metrics.ex
+++ b/lib/lambda_ethereum_consensus/metrics.ex
@@ -107,6 +107,7 @@ defmodule LambdaEthereumConsensus.Metrics do
   def block_relationship(nil, _), do: :ok
 
   def block_relationship(parent_root, root) do
+    # If we try to add an edge to a non-existent node, it will crash.
     if Blocks.get_block_info(parent_root) do
       hex_parent_root = parent_root |> Base.encode16()
       hex_root = root |> Base.encode16()