Update GPU admonition to clarify lectures run on CPUs (#465)

mmcky · web-flow · commit 3e4f703fe760 · 2026-01-13T11:06:56.000+11:00
- Modified gpu.md to indicate lectures will run without a GPU - Incorporates feedback from @jstac - Harmonizes messaging across lecture repositories
diff --git a/lectures/_admonition/gpu.md b/lectures/_admonition/gpu.md
@@ -1,7 +1,7 @@
 ```{admonition} GPU
 :class: warning
 
-This lecture was built using a machine with access to a GPU.
+This lecture was built using a machine with access to a GPU --- although it will also run without one.
 
 [Google Colab](https://colab.research.google.com/) has a free tier with GPUs
 that you can access as follows:
