diff --git a/spec/2023-07-draft.md b/spec/2023-07-draft.md
index 3e20212..c1e8520 100644
--- a/spec/2023-07-draft.md
+++ b/spec/2023-07-draft.md
@@ -704,8 +704,9 @@ We allow customizing which data is used for each purpose with the additional ext
 #### Samples For Judging Team Submissions
 
 The `data/sample` directory contains test cases similar to those in `data/secret`.
-Every submission is run on these test cases 
-(but sample test cases do not contribute to the problem score for [scoring problems](#scoring-problems)).
+Every submission is run on these test cases.
+Sample test cases do not contribute to the problem score for [scoring problems](#scoring-problems).
+If a `score.txt` file is produced on sample test cases on a scoring problem, it is not an error, but simply ignored.
 
 `data/sample` must not contain test groups. 
 It may be missing (for problems with no samples) or empty.