fix: apply suggestions from code review

Co-authored-by: Tatu <[email protected]>

Author: JuArce

README_INFRASTRUCTURE.md

@@ -805,7 +805,7 @@ make upgrade_aligned_contracts
 Then, if the new implementation is correctly deployed, the script will show the following message:
 
 ```bash
-To send the transaction using multisig use this calldata
+You can propose the upgrade transaction with the multisig using this calldata
 <calldata>
 ```
 

contracts/scripts/upgrade_aligned_contracts.sh

@@ -36,11 +36,12 @@ rm -f "script/output/holesky/alignedlayer_deployment_output.temp.json"
 data=$(cast calldata "upgrade(address, address)" $aligned_layer_service_manager $new_aligned_layer_service_manager_implementation)
 
 if [ "$MULTISIG" = false ]; then
+  echo "Executing upgrade transaction"
   proxy_admin=$(jq -r '.addresses.alignedLayerProxyAdmin' $OUTPUT_PATH)
   cast send $proxy_admin $data \
     --rpc-url $RPC_URL \
     --private-key $PRIVATE_KEY
 else
-  echo "To send the transaction using multisig use this calldata"
+  echo "You can propose the upgrade transaction with the multisig using this calldata"
   echo $data
 fi