diff --git a/noxis-rs/src/options/preboot.rs b/noxis-rs/src/options/preboot.rs
index 8130e96..84a3f27 100644
--- a/noxis-rs/src/options/preboot.rs
+++ b/noxis-rs/src/options/preboot.rs
@@ -10,7 +10,7 @@ const SOCKET_PATH: &str = "/var/run/enode/hostagent.sock";
 /// ## for setting up metrics mode as preboot param from command prompt 
 /// 
 /// examples:
-/// ```
+/// ``` bash
 /// noxis-rs ... --metrics full 
 /// noxis-rs ... --metrics system 
 /// noxis-rs ... --metrics processes