Merge pull request IntersectMBO#1224 from perturbing/patch-1

Update building-running.md

Author: erikd

doc/building-running.md

@@ -108,7 +108,7 @@ nix-build -A scripts.testnet.node -o testnet-node-remote && ./testnet-node-remot
 and then the two `db-sync` process run as:
 ```
 PGPASSFILE=config/pgpass-mainnet scripts/postgresql-setup.sh --createdb
-PGPASSFILE=config/pgpass-mainnet ./cardano-db-sync-exe \
+PGPASSFILE=config/pgpass-mainnet db-sync-node/bin/cardano-db-sync \
     --config config/mainnet-config.yaml \
     --socket-path ../cardano-node/state-node-mainnet/node.socket \
     --state-dir ledger-state/mainnet \
@@ -117,7 +117,7 @@ PGPASSFILE=config/pgpass-mainnet ./cardano-db-sync-exe \
 and
 ```
 PGPASSFILE=config/pgpass-testnet scripts/postgresql-setup.sh --createdb
-PGPASSFILE=config/pgpass-testnet ./cardano-db-sync-exe \
+PGPASSFILE=config/pgpass-testnet db-sync-node/bin/cardano-db-sync \
     --config config/testnet-config.yaml \
     --socket-path ../cardano-node/state-node-testnet/node.socket \
     --state-dir ledger-state/testnet \