Update app.py

app.py

@@ -14,7 +14,7 @@ model_card = f"""
 ## Description
 
 The **DecisionTreeClassifier** employs a pruning technique that can be configured using the cost complexity parameter, commonly referred to as **ccp_alpha**.
-By increasing the value of ccp_alpha, a greater number of nodes can be pruned. This demo demonstrates the impact of ccp_alpha on tree regularization
+By increasing the value of **ccp_alpha**, a greater number of nodes can be pruned. This demo demonstrates the impact of **ccp_alpha** on tree regularization
 
 ## Dataset