diff --git a/website/docs/assignments/presentations.md b/website/docs/assignments/presentations.md
index 80aedb9..bf13fc3 100644
--- a/website/docs/assignments/presentations.md
+++ b/website/docs/assignments/presentations.md
@@ -50,14 +50,14 @@ discuss an outline of what you will be presenting.
 
 - **How long should presentations be?**
 
-Each presentation should be about **60 minutes**, leaving the remainder of the
-time for a wrap-up discussion. It's fine to be a few minutes over or under, but
-if you think you will finish more than 5 minutes early you should consider
-adding more material.
+Each presentation should be at least **60 minutes**, leaving the remainder of
+the time for a wrap-up discussion. It's fine to be a few minutes under, but if
+you think you will finish more than 5 minutes early you should cover more
+material.
 
 - **Can we use visual aids?**
 
-You should use the chalkboard and/or slides for your presentation.
+You can use the chalkboard and/or slides for your presentation.
 
 - **How should non-presenters prepare?**