Improve docs

Author: phil-opp

src/lib.rs

@@ -37,8 +37,9 @@ const KERNEL_FILE_NAME: &str = "kernel-x86_64";
 const RAMDISK_FILE_NAME: &str = "ramdisk";
 const CONFIG_FILE_NAME: &str = "boot.json";
 
-/// DiskImageBuilder helps create disk images for a specified set of files.
-/// It can currently create MBR (BIOS), GPT (UEFI), and TFTP (UEFI) images.
+/// Allows creating disk images for a specified set of files.
+///
+/// It can currently create `MBR` (BIOS), `GPT` (UEFI), and `TFTP` (UEFI) images.
 pub struct DiskImageBuilder {
     files: BTreeMap<String, FileDataSource>,
 }