diff --git a/doc/images/cart_pricing.png b/doc/images/cart_pricing.png
index 4b1f3a7138..b2d667eeac 100644
Binary files a/doc/images/cart_pricing.png and b/doc/images/cart_pricing.png differ
diff --git a/doc/images/cart_pricing.puml b/doc/images/cart_pricing.puml
index ae945e0dd8..47c1c49ffb 100644
--- a/doc/images/cart_pricing.puml
+++ b/doc/images/cart_pricing.puml
@@ -23,6 +23,7 @@ partition "For every cart position" {
     --> "Store as line_price (gross), tax_rate"
 }
 --> "Apply discount engine"
+--> "Apply tax rounding"
 --> "Store as price (gross)"
 
 @enduml