diff --git a/materials/complete/x86-full-system.py b/materials/complete/x86-full-system.py
index 289ad51..0d983e0 100644
--- a/materials/complete/x86-full-system.py
+++ b/materials/complete/x86-full-system.py
@@ -67,7 +67,7 @@
 # output.
 command = (
     "m5 exit;"
-    + "echo 'This is running on Timing CPU cores.';"
+    + "echo 'This is running on Timing O3 cores.';"
     + "sleep 1;"
     + "m5 exit;"
 )