reformat sync status command to work with bash

README.md

@@ -33,8 +33,8 @@ Note: Some L1 nodes (e.g. Erigon) do not support fetching storage proofs. You ca
 
 Sync speed depends on your L1 node, as the majority of the chain is derived from data submitted to the L1. You can check your syncing status using the `optimism_syncStatus` RPC on the `op-node` container. Example:
 ```
-echo Latest synced block behind by: $((($(date +%s)-$( \
-  curl -d '{"id":0,"jsonrpc":"2.0","method":"optimism_syncStatus"}' \
-  -H "Content-Type: application/json" http://localhost:7545 | \
-  jq -r .result.unsafe_l2.timestamp))/60)) minutes
+echo Latest synced block behind by: \
+$((($( date +%s )-\
+$( curl -d '{"id":0,"jsonrpc":"2.0","method":"optimism_syncStatus"}' -H "Content-Type: application/json" http://localhost:7545 |
+   jq -r .result.unsafe_l2.timestamp))/60)) minutes
 ```