···7979 },
8080 &cli.Command{
8181 Name: "genesis",
8282- Usage: "produce an unsigned genesis operation, as JSON",
8282+ Usage: "produce an unsigned genesis operation",
8383 Flags: []cli.Flag{
8484 &cli.StringFlag{
8585 Name: "handle",
···102102 },
103103 &cli.Command{
104104 Name: "calc-did",
105105- Usage: "calculate the DID corresponding to a signed PLC operation (input in JSON format)",
105105+ Usage: "calculate the DID corresponding to a signed PLC operation",
106106 ArgsUsage: `<signed_genesis.json>`,
107107 Flags: []cli.Flag{},
108108 Action: runPLCCalcDID,
109109 },
110110 &cli.Command{
111111 Name: "sign",
112112- Usage: "",
112112+ Usage: "sign an operation, ready to be submitted",
113113 ArgsUsage: `<operation.json>`,
114114 Flags: []cli.Flag{
115115 &cli.StringFlag{
···122122 },
123123 &cli.Command{
124124 Name: "submit",
125125- Usage: "submit a signed operation to the PLC directory (input in JSON format)",
125125+ Usage: "submit a signed operation to the PLC directory",
126126 ArgsUsage: `<signed_operation.json>`,
127127 Flags: []cli.Flag{
128128 &cli.BoolFlag{
···138138 },
139139 &cli.Command{
140140 Name: "update",
141141- Usage: "apply updates to a previous operation produce a new one (but don't sign or submit it, yet)",
141141+ Usage: "apply updates to a previous operation to produce a new one (but don't sign or submit it, yet)",
142142 ArgsUsage: `<DID>`,
143143 Flags: []cli.Flag{
144144 &cli.StringFlag{