Update line-and-scatter.md

Author: nicolaskruchten

doc/python/line-and-scatter.md

@@ -38,7 +38,7 @@ jupyter:
 
 [Plotly Express](/python/plotly-express/) is the easy-to-use, high-level interface to Plotly, which [operates on "tidy" data](/python/px-arguments/) and produces [easy-to-style figures](/python/styling-plotly-express/).
 
-With `px.scatter`, each data point is represented as a marker point, which location is given by the `x` and `y` columns.
+With `px.scatter`, each data point is represented as a marker point, whose location is given by the `x` and `y` columns.
 
 ```python
 # x and y given as array_like objects