Colaboratory notebook showing derivatives of ID-VG
diff --git a/notebooks/sky130_gm.ipynb b/notebooks/sky130_gm.ipynb
index 15c720b..646bbdd 100644
--- a/notebooks/sky130_gm.ipynb
+++ b/notebooks/sky130_gm.ipynb
@@ -42,7 +42,8 @@
"\n",
"Boris Murmann, August 2022<br>\n",
"Based on:\n",
- "[sky130-raw-data-viz.ipynb](https://colab.research.google.com/github/proppy/skywater-pdk-sky130-raw-data/blob/notebooks/notebooks/sky130-raw-data-viz.ipynb)\n"
+ "[sky130-raw-data-viz.ipynb](https://colab.research.google.com/github/proppy/skywater-pdk-sky130-raw-data/blob/notebooks/notebooks/sky130-raw-data-viz.ipynb)<br>\n",
+ "SPDX-License-Identifier: Apache-2.0\n"
],
"metadata": {
"id": "zfiP46zb1v0E"
