diff --git a/_episodes/13-Running_Simulations.md b/_episodes/13-Running_Simulations.md
index e795d69..38546fa 100644
--- a/_episodes/13-Running_Simulations.md
+++ b/_episodes/13-Running_Simulations.md
@@ -29,7 +29,7 @@ This model provides a convenient programming environment, but the main problem i
 {: .instructor_notes} 
 
 {: .self_study_text} 
-- SANDER is a free simulation engine distributed with the AmberTools package.
+SANDER is a free simulation engine distributed with the AmberTools package.
 {: .self_study_text}