Update json-rpc.md (MystenLabs#3219)

doc/src/build/json-rpc.md

@@ -265,7 +265,7 @@ during genesis are of `Coin/SUI` type). For this call to work, the object
 represented by `{{gas_object_id}}` must be owned by the address represented by
 `{{owner_address}}`.
 
-To publish a Move module, you also need `{{vector_of_compiled_modules}}`. To generate the value of this field, use the `sui-move` command. The `sui-move` command supports printing the bytecodes as base64 with the following option
+To publish a Move module, you also need `{{vector_of_compiled_modules}}`. To generate the value of this field, use the `sui move` command. The `sui move` command supports printing the bytecodes as base64 with the following option
 
 ```
 sui move --path <move-module-path> build --dump-bytecode-as-base64