diff --git a/Hardware:-Drill.md b/Hardware:-Drill.md
index 1cbe998..31d659f 100644
--- a/Hardware:-Drill.md
+++ b/Hardware:-Drill.md
@@ -10,7 +10,9 @@ Hardware ID: `0x0005`
 | Value of A | Action | Energy cost | Result |
 | --- | --- | --- | --- |
 | `1` | `POLL` | `0 kJ` | Get the status of the drill |
-| `2` | `GATHER_SLOW` | `1,400 kJ` | Gather the resource located under the Cubot (4 tick) |
+| `2` | `GATHER_SLOW` | `1,400 kJ` | Gather the resource located under the Cubot (4 tick)* |
 | `3` | `GATHER_FAST` | `2,000 kJ` | Gather the resource located under the Cubot (1 tick) |
 
+* See [Issue #10](https://github.com/simon987/Much-Assembly-Required/issues/10)
+
 The drill status is either `STATUS_OK` (`0x0000`) or `STATUS_BUSY` = (`0x0001`). When trying to activate the mining drill while it is busy, it will fail silently.
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