Update README.md

README.md

@@ -12,7 +12,10 @@ Module for plotting complex-valued functions of complex variable using different
 ### Examples 1 
 
 
-In this first set of examples the test function is <img src="https://render.githubusercontent.com/render/math?math=f(z)%20%3D%20%5Cfrac%7B(z%5E2-1)(z-2-i)%5E2%7D%7Bz%5E2%2B2%2B2i%7D">.
+In this first set of examples the test function is the following one:
+<p align="center">
+<img src="https://render.githubusercontent.com/render/math?math=f(z)%20%3D%20%5Cfrac%7B(z%5E2-1)(z-2-i)%5E2%7D%7Bz%5E2%2B2%2B2i%7D">
+</p>
 
 ![](cplotting-images/domain_coloring.png) |  ![](cplotting-images/domain_coloring_cmap.png)
 | ------------- | ------------- |
@@ -25,7 +28,10 @@ In this first set of examples the test function is <img src="https://render.gith
 
 ### Examples 2 
 
-In this second set of examples the test function is <img src="https://render.githubusercontent.com/render/math?math=f(z)%20%3D%20%5Ccos%20z">.
+In this second set of examples the test function is:
+<p align="center">
+<img src="https://render.githubusercontent.com/render/math?math=f(z)%20%3D%20%5Ccos%20z">
+</p>
 
 ![](cplotting-images/vector_cos.png)  |  ![](cplotting-images/vector_cmap_cos.png)
 | ------------- | ------------- |