diff --git a/Source/driver/parse_castro_params.py b/Source/driver/parse_castro_params.py
index 8812d1e381..f2cc4d2472 100755
--- a/Source/driver/parse_castro_params.py
+++ b/Source/driver/parse_castro_params.py
@@ -48,7 +48,7 @@
      this tests the current value against the default and outputs
      into a file
 
-  -- name_params.cpp
+  -- runtime_params.cpp
      has the actual definition of the variables (without extern)
 
 """