Reintroduce the empty string to prevent spaces making a mess

Author: OisinKyne

.env.sample.holesky

@@ -176,10 +176,10 @@ CHARON_EXECUTION_CLIENT_RPC_ENDPOINT=http://${EL}:8545
 # Loki log aggregation server addresses. Disable loki log aggregation by setting an empty address.
 #CHARON_LOKI_ADDRESSES=
 
-# Charon Cluster Name. Mandatory to send logs with Promtail.
+# Charon Cluster Name. Mandatory to send logs with Promtail and metrics with Prometheus.
 #CLUSTER_NAME=""
 
-# Charon Cluster Peer. Mandatory to send logs with Promtail.
+# Charon Cluster Peer. Mandatory to send logs with Promtail and metrics with Prometheus.
 #CLUSTER_PEER=""
 
 # Nickname to identify this charon node on monitoring (max 32 characters).

.env.sample.hoodi

@@ -176,10 +176,10 @@ CHARON_EXECUTION_CLIENT_RPC_ENDPOINT=http://${EL}:8545
 # Loki log aggregation server addresses. Disable loki log aggregation by setting an empty address.
 #CHARON_LOKI_ADDRESSES=
 
-# Charon Cluster Name. Mandatory to send logs with Promtail.
+# Charon Cluster Name. Mandatory to send logs with Promtail and metrics with Prometheus.
 #CLUSTER_NAME=""
 
-# Charon Cluster Peer. Mandatory to send logs with Promtail.
+# Charon Cluster Peer. Mandatory to send logs with Promtail and metrics with Prometheus.
 #CLUSTER_PEER=""
 
 # Nickname to identify this charon node on monitoring (max 32 characters).

.env.sample.mainnet

@@ -176,10 +176,10 @@ CHARON_EXECUTION_CLIENT_RPC_ENDPOINT=http://${EL}:8545
 # Loki log aggregation server addresses. Disable loki log aggregation by setting an empty address.
 #CHARON_LOKI_ADDRESSES=
 
-# Charon Cluster Name. Mandatory to send logs with Promtail.
+# Charon Cluster Name. Mandatory to send logs with Promtail and metrics with Prometheus.
 #CLUSTER_NAME=""
 
-# Charon Cluster Peer. Mandatory to send logs with Promtail.
+# Charon Cluster Peer. Mandatory to send logs with Promtail and metrics with Prometheus.
 #CLUSTER_PEER=""
 
 # Nickname to identify this charon node on monitoring (max 32 characters).