Fixed bad resource reference.

PIP/PIP-0040.md

@@ -40,7 +40,7 @@ The following four diagrams describe the main elements of the proposed governanc
 
 ### Diagram 1: Workflow
 
-![Diagram 1: Workflow](resources/PIP-0035/diagram_1_workflow.png)
+![Diagram 1: Workflow](resources/PIP-0040/diagram_1_workflow.png)
 
 ### Diagram 2: Budget Timeline