diff --git a/README.md b/README.md
index 82acf23..1561645 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ straight into any tool that reads a block image:
 
 - Atari ST emulators — Hatari, STeem.
 - Hardware bridges — [SidecarTridge Multi-device][sct-drives],
-  ACSI2STM, SatanDisk.
+  [ACSI2STM][a2stm-docs], SatanDisk.
 - Direct media — write the image to a microSD / SD / CompactFlash
   card with `dd` (or the Windows equivalent) and plug it into a
   real SCSI / IDE / CF adapter on the Atari side. There's a
@@ -578,7 +578,7 @@ several ways:
   microfirmware reads the image from its own SD card. See the
   [drives-emulator microfirmware docs][sct-drives] for how to load
   images onto the device; you don't need to `dd` for that workflow.
-- **ACSI2STM** — TinyUSB / Raspberry Pi-based ACSI bridge that reads
+- **[ACSI2STM][a2stm-docs]** — TinyUSB / Raspberry Pi-based ACSI bridge that reads
   raw `.img` files off a microSD / SD card.
 - **SatanDisk** — SD-card-backed ACSI hard disk for the Atari ST.
 - **Direct SCSI / IDE / CompactFlash** — written to a CF / IDE / SCSI
@@ -678,7 +678,7 @@ make sure no Explorer windows are open on the card before writing.
 
 - **Eject** the card via your OS (don't just yank it; pending writes
   may not be flushed).
-- **Insert** it into the target device (SidecarTridge / ACSI2STM /
+- **Insert** it into the target device (SidecarTridge / [ACSI2STM][a2stm-docs] /
   SatanDisk / etc.).
 - **Boot** the Atari. For bootable AHDI / PPDRIVER images this should
   be cold-boot; for HDDRIVER you'll need to install the driver via
@@ -699,4 +699,5 @@ See the [LICENSE](https://github.com/sidecartridge/atari-hd/blob/main/LICENSE) f
 Made with ❤️ by [SidecarTridge](https://sidecartridge.com) with the help of OpenAI Codex and Claude Code. Contributions welcome! Fork, fix, and open a pull request. For major changes, please open an issue first to discuss what you'd like to change.
 
 [sct-drives]: https://docs.sidecartridge.com/sidecartridge-multidevice/microfirmwares/drives_emulator/
+[a2stm-docs]: https://docs.sidecartridge.com/acsi2stm-atari-st/
 [releases]: https://github.com/sidecartridge/atari-hd/releases