diff --git a/slides/intro.md b/slides/intro.md
index fcd73c679c673bad99df8f664d9ff4e591053d51..4774dd35227561b2b1855b03d6cc75375bd125a3 100644
--- a/slides/intro.md
+++ b/slides/intro.md
@@ -264,6 +264,8 @@ Preimplemented models:
 
 * Various turbulence models are implemented
 
+## Your model equations?
+
 # Spatial Discretization
 
 ## Cell-centered Finite Volume Methods