Follow the driver repository rename to B4L/HPCS6500

README.md

@@ -7,7 +7,7 @@ binary, `lampbench`.
 
 | Part | Role | Where |
 |---|---|---|
-| **HPCS 6500** | spectrum, photometry, CRI, electrical, built-in AC/DC supply | driver: submodule `HPCS6500/` ([B4L/HPCS6500-py](https://git.b4l.co.th/B4L/HPCS6500-py)) |
+| **HPCS 6500** | spectrum, photometry, CRI, electrical, built-in AC/DC supply | driver: submodule `HPCS6500/` ([B4L/HPCS6500](https://git.b4l.co.th/B4L/HPCS6500)) |
 | **Brother QL-820NWB** | lamp ID labels, DK-11221 23x23 mm | `crates/brother-ql`, `crates/lamp-label` |
 | **TM-30-18** | Rf, Rg and the 16 hue bins from the spectrum | `crates/tm30` |
 | **comparison-data** | the published lamp bundles | `--data-repo` (git checkout) |
@@ -159,4 +159,4 @@ cargo clippy --workspace --all-targets -- -D warnings
   compare against the Python libraries (colour-science, brother_ql, qrcode);
   `tools/` in each crate regenerates the golden data.
 
-The Python tools these replace are in HPCS6500-py at tag `python-final`.
+The Python tools these replace are in HPCS6500 at tag `python-final`.