updated presentation slot count

teaching/sp2025/cs598.md

@@ -87,7 +87,7 @@ Midterms and the Research project scores vary more.
 
 <h3 style="margin-top: 40px;">Evaluating Other Student Presentations (5%)</h3>
 
-There are 23 student presentation slots (11 before Midterm 1 and 12 after). For each presentation, you should provide peer evaluation using a Likert scale between 1 and 5. To receive full credit (5%), you must submit evaluations for at least 50% of the presentations (e.g., 50 if there are 100 presentations in total). If you submit less, you will receive partial credit (e.g., if you submit 25 evaluations among 100 total presentations, you will receive 25/50*5% = 2.5%).
+There are 21 student presentation slots (11 before Midterm 1 and 10 after). For each presentation, you should provide peer evaluation using a Likert scale between 1 and 5. To receive full credit (5%), you must submit evaluations for at least 50% of the presentations (e.g., 50 if there are 100 presentations in total). If you submit less, you will receive partial credit (e.g., if you submit 25 evaluations among 100 total presentations, you will receive 25/50*5% = 2.5%).
 
 Warning: If you submit constant scores (e.g., 5/5 for every presentation), it will be considered as "no submission" and your Participation score may get penalized.