Update README.md

Comment on the position of the y-axis labels

Author: olgapaikina

README.md

@@ -53,6 +53,10 @@ plt.show()
 ```
 ![multifig](./assets/multifig.png)
 
+By default, the x-coordinates of the y-axis labels are aligned with the subfigure labels, but the y-axis label position can be adjusted using
+```python
+ax[i].yaxis.set_label_coords(x_coordinate, y_coordinate)
+```
 ## `change_log_axis_base`
 
 ```python