diff --git a/README.md b/README.md
index 5042d10..5173a56 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ A model of the Illinois electricity system built with PyPSA.
 * git
 * Either `conda` or `mamba` installed
     
-> [!NOTE] 
+> [!WARNING] 
 > Running `conda update --all` may downgrade `pypsa` to 0.25.x to accomodate an update to `pyomo`. This will break the code. After running update, run `conda update pypsa` to fix.
 
 1. Clone the repository