diff --git a/packages/docs/pages/networks/testnets/testnet-history.mdx b/packages/docs/pages/networks/testnets/testnet-history.mdx
index 315a2aed..a3cf2990 100644
--- a/packages/docs/pages/networks/testnets/testnet-history.mdx
+++ b/packages/docs/pages/networks/testnets/testnet-history.mdx
@@ -16,7 +16,7 @@ The upgrade is a soft upgrade, meaning that there is no consensus breaking chang
 Then, simply stop the current ledger and restart it with the new binaries. This can be done by running the following commands:
 
 ```bash copy
-OPERATING_SYSTEM="Linux"
+OS="Linux" # Or OS="Darwin" for Mac
 wget https://github.com/anoma/namada/releases/download/v0.23.1/namada-v0.23.1-${OS}-x86_64.tar.gz
 tar -xvf namada-v0.23.1-${OS}-x86_64.tar.gz -C /usr/local/bin/ #sudo may be required
 killall namadan