Fixed link

Author: andrewmurphy353

README.md

@@ -124,7 +124,7 @@ For XIRR-style calculations (referencing the first drawdown date), pass `use_xir
 
 Cash flow diagrams visually represent the timing and direction of financial transactions. For example, a €10,000 loan repaid in 6 monthly instalments would look like this:
 
-![Cash Flow Diagram](https://github.com/andrewmurphy353/curo_python/raw/main/assets/images/cash_flow_diagram_01.png)
+![Cash Flow Diagram](https://github.com/andrewmurphy353/curo_python/blob/main/docs/assets/images/cfd_01.png)
 
 - **Down arrows**: Money received (e.g., loan advance).
 - **Up arrows**: Money paid (e.g., instalments).