Update Governor README.md

Author: pelesh

src/Model/PhasorDynamics/Governor/README.md

@@ -8,7 +8,7 @@
 Standard model of the stream turbine
 
 <div align="center">
-   <img align="center" src="../../../docs/Figures/TGOV1.JPG">
+   <img align="center" src="../../../../docs/Figures/TGOV1.JPG">
 
 
   Figure 1: Governor TGOV1 model. Figure courtesy of [PowerWorld](https://www.powerworld.com/WebHelp/)
@@ -54,4 +54,4 @@ P=x+\dfrac{T2}{T3}V
 Output
 ```math
 P_{mech}=P-\Delta\omega D_{t}
-```
+```