Fix readme to stop the spread of lies

README.md

@@ -14,15 +14,16 @@ It can be used with any executor.
 
 In your own program or library, you can depend on this crate in the usual fashion:
 
+nrf9160:
 ```toml
 [dependencies]
-nrf-modem = "0.5.0"
+nrf-modem = { version = "x.x.x", default-featues = false, features = ["nrf9160"] }
 ```
-The `nrf9160` feature is enabled by default for legacy support. To use this library on another supported chip (e.g., `nrf9151`), select that feature and disable default feautes.
 
+nrf9151:
 ```toml
 [dependencies]
-nrf-modem = { version = "0.5.0", default-featues = false, features = ["nrf9151"] }
+nrf-modem = { version = "x.x.x", default-featues = false, features = ["nrf9151"] }
 ```
 
 ## Errors and recovery