diff --git a/README.md b/README.md
index faeaacc..d6a7294 100644
--- a/README.md
+++ b/README.md
@@ -39,7 +39,7 @@ The generator currently supports problems related to the following topics (align
 The problem generator is a modular system composed of several Python scripts and JSON data files that work together to produce financial problems.
 
 ```mermaid
-graph TD
+graph LR
     A[problem_engine.py] --> B(data_loader.py);
     A --> C(value_sampler.py);
     A --> D(date_utils.py);