diff --git a/cmd/run.go b/cmd/run.go
index e030fd957..1c6fe3cf4 100644
--- a/cmd/run.go
+++ b/cmd/run.go
@@ -54,8 +54,8 @@ func bindRunFlags(flags *pflag.FlagSet, config *app.Config) {
 	flags.StringVar(&config.ValidatorAPIAddr, "validator-api-address", "127.0.0.1:3500", "Listening address (ip and port) for validator-facing traffic proxying the beacon-node API")
 	flags.StringVar(&config.MonitoringAddr, "monitoring-address", "127.0.0.1:8088", "Listening address (ip and port) for the monitoring API (prometheus, pprof)")
 	flags.StringVar(&config.JaegerAddr, "jaeger-address", "", "Listening address for jaeger tracing")
-	flags.BoolVar(&config.SimnetVMock, "simnet-validator-mock", false, "Enables mock validator when running simnet.")
-	flags.BoolVar(&config.Simnet, "simnet", false, "Enables simnet, starts and connect to a mock beacon node.")
+	flags.BoolVar(&config.Simnet, "simnet", false, "Enables simnet, starts and connects to an internal mock beacon node.")
+	flags.BoolVar(&config.SimnetVMock, "simnet-validator-mock", false, "Enables an internal mock validator client when running simnet.")
 }
 
 func bindGeneralFlags(flags *pflag.FlagSet, dataDir *string) {
diff --git a/docs/configuration.md b/docs/configuration.md
index 4c4979c4c..2d7f476a7 100644
--- a/docs/configuration.md
+++ b/docs/configuration.md
@@ -36,8 +36,8 @@ Flags:
       --p2p-peerdb string              Path to store a discv5 peer database. Empty default results in in-memory database.
       --p2p-tcp-address strings        Comma-separated list of listening TCP addresses (ip and port) for LibP2P traffic (default [127.0.0.1:13900])
       --p2p-udp-address string         Listening UDP address (ip and port) for Discv5 discovery (default "127.0.0.1:30309")
-      --simnet                         Enables simnet, starts and connect to a mock beacon node.
-      --simnet-validator-mock          Enables mock validator when running simnet.
+      --simnet                         Enables simnet, starts and connects to an internal mock beacon node.
+      --simnet-validator-mock          Enables an internal mock validator client when running simnet.
       --validator-api-address string   Listening address (ip and port) for validator-facing traffic proxying the beacon-node API (default "127.0.0.1:3500")
 
 ````