improve option naming

beacon_chain/beacon_node.nim

@@ -688,10 +688,10 @@ proc onSlotStart(node: BeaconNode, lastSlot, scheduledSlot: Slot) {.gcsafe, asyn
     cat = "scheduling"
 
   # Check before any re-scheduling of onSlotStart()
-  if node.config.checkEpochs > 0'u64 and
-      scheduledSlot.compute_epoch_at_slot() >= node.config.checkEpochs:
+  if node.config.stopAtEpoch > 0'u64 and
+      scheduledSlot.compute_epoch_at_slot() >= node.config.stopAtEpoch:
     info "Stopping at pre-chosen epoch",
-      chosenEpoch = node.config.checkEpochs,
+      chosenEpoch = node.config.stopAtEpoch,
       epoch = scheduledSlot.compute_epoch_at_slot(),
       slot = scheduledSlot
 

beacon_chain/conf.nim

@@ -137,10 +137,10 @@ type
         desc: "Specify whether to verify finalization occurs on schedule, for testing."
         name: "verify-finalization" }: bool
 
-      checkEpochs* {.
+      stopAtEpoch* {.
         defaultValue: 0
-        desc: "A positive checkEpochs selects how many epochs to run."
-        name: "check-epochs" }: uint64
+        desc: "A positive epoch selects the epoch at which to stop."
+        name: "stop-at-epoch" }: uint64
 
       metricsServer* {.
         defaultValue: false