fix: review feedback

Author: uniyalabhishek

cmd/rofl/common/manifest.go

@@ -72,7 +72,7 @@ func MaybeLoadManifestAndSetNPA(cfg *cliConfig.Config, npa *common.NPASelection,
 			return nil, "", nil, fmt.Errorf("no deployments configured\nHint: use `oasis rofl create` to register a new ROFL app and create a deployment")
 		}
 		printAvailableDeployments(manifest)
-		return nil, "", nil, fmt.Errorf("no default deployment configured\nHint: use `oasis rofl set-default <name>` to set a default deployment")
+		return nil, "", nil, fmt.Errorf("no deployment selected\nHint: Run this command with --deployment to select one or `oasis rofl set-default <name>` to set a default deployment")
 	}
 
 	d, ok := manifest.Deployments[deployment]

docs/rofl.md

@@ -36,10 +36,11 @@ requirements.
 ## Create a new ROFL app on the network {#create}
 
 Use `rofl create` to register a new ROFL app on the network using an existing
-manifest.
+manifest. The deployment will be named after the selected network (e.g.
+`testnet`, `mainnet`).
 
 You can also define specific [Network, ParaTime and Account][npa] parameters
-as those get recorded into the manfiest so you don't need to specify them on
+as those get recorded into the manifest so you don't need to specify them on
 each invocation:
 
 ![code shell](../examples/rofl/create.in.static)
@@ -72,6 +73,13 @@ derivation schemes:
 [Stake Requirements]: https://github.com/oasisprotocol/docs/blob/main/docs/node/run-your-node/prerequisites/stake-requirements.md
 [smart contract address derivation]: https://ethereum.org/en/developers/docs/accounts/#contract-accounts
 
+## Set Default Deployment {#set-default}
+
+To change the default deployment used by ROFL commands, use
+`rofl set-default <name>`:
+
+![code shell](../examples/rofl/set-default.in.static)
+
 ## Build ROFL {#build}
 
 The `rofl build` command will execute a series of build commands depending on

examples/rofl/set-default.in.static

@@ -0,0 +1 @@
+oasis rofl set-default testnet