[DOC] better referencing
diff --git a/mpw-one-a.md b/mpw-one-a.md
index 064d08c..78606c9 100644
--- a/mpw-one-a.md
+++ b/mpw-one-a.md
@@ -5,9 +5,9 @@
Please stick to version `v0.0.0-303-g3d7617a`
(commit hash: `3d7617a1acb92ea883539bcf22a632d6361a5de4`)
```
-git clone https://github.com/google/skywater-pdk.git
-cd skywater-pdk
-git checkout v0.0.0-303-g3d7617a
+git clone https://github.com/google/skywater-pdk.git
+cd skywater-pdk
+git checkout v0.0.0-303-g3d7617a
git submodule update --init libraries/sky130_fd_sc_hd/latest
git submodule update --init libraries/sky130_fd_sc_hvl/latest
git submodule update --init libraries/sky130_fd_sc_hs/latest
@@ -20,14 +20,14 @@
## open_pdks:
-Please stick to the `mpw-one-a` tag.
+Please stick to the [mpw-one-a](https://github.com/RTimothyEdwards/open_pdks/tree/mpw-one-a) tag.
```
git clone https://github.com/RTimothyEdwards/open_pdks.git -b mpw-one-a
```
## OpenLane:
-Please stick to the `mpw-one-a` tag.
+Please stick to the [mpw-one-a](https://github.com/efabless/openlane/tree/mpw-one-a) tag.
```
git clone https://github.com/efabless/openlane.git -b mpw-one-a
```
@@ -44,13 +44,19 @@
make
```
-## Caravel:
+## Caravel:
Please stick to the `mpw-one-a` tag.
```
git clone https://github.com/efabless/caravel.git -b mpw-one-a
```
+## Open_mpw_precheck:
+Please run the offline [precheck](https://github.com/efabless/open_mpw_precheck):
+```
+git clone https://github.com/efabless/open_mpw_precheck.git
+```
+
## Notes
- If you have already successfully hardened your blocks and have a clean
