Update pull_request_template.md

.github/pull_request_template.md

@@ -1,7 +1,8 @@
 #### Check List:
-- [ ] Tests pass (`./test.sh <username>`)
+- [ ] Tests pass (`./test.sh <username>` shows no differences between expected and actual outputs)
 - [ ] All formatting changes by the build are committed
-- [ ] Output matches that of calculate_average_baseline.sh
+- [ ] Your launch script is named `calculate_average_<username>.sh` (make sure to match casing of your GH user name) and is executable
+- [ ] Output matches that of `calculate_average_baseline.sh`
 * Execution time:
 * Execution time of reference implementation:
 
@@ -11,5 +12,5 @@ Use [x] to mark that the item has been completed.
 
 Please submit only submissions that are taking less than 1 minute.
 
-Please make sure that you have followed the defined rules (https://github.com/gunnarmorling/1brc?tab=readme-ov-file#rules-and-limits)
+Please make sure that you have followed the defined rules (https://github.com/gunnarmorling/1brc?tab=readme-ov-file#rules-and-limits).
 -->