diff --git a/python_basics/exceptions/README.md b/python_basics/exceptions/README.md
index 6247c08..e91315a 100644
--- a/python_basics/exceptions/README.md
+++ b/python_basics/exceptions/README.md
@@ -271,6 +271,10 @@ finally:
 
 ## Chaining exceptions
 
+{: .topic-optional}
+This is an optional topic!
+
+
 Instead of just re-raising an exception we can also add to it with **from**. 
 
 ```python