diff --git a/Tools/build/deepfreeze.py b/Tools/build/deepfreeze.py
index 8dbb7bfa69a..996d5f65a92 100644
--- a/Tools/build/deepfreeze.py
+++ b/Tools/build/deepfreeze.py
@@ -21,7 +21,7 @@
 
 verbose = False
 
-# This must be kept in sync with opcode.py
+# This must be kept in sync with Tools/cases_generator/generate_cases.py
 RESUME = 166
 
 def isprintable(b: bytes) -> bool: