Fix capitalization, closes #1286

data-visualize.qmd

@@ -138,7 +138,7 @@ ggplot(penguins, aes(x = flipper_length_mm, y = body_mass_g)) +
 Let's recreate this plot layer-by-layer.
 
 With ggplot2, you begin a plot with the function `ggplot()`, defining a plot object that you then add layers to.
-The first argument of `ggplot()` is the dataset to use in the graph and So `ggplot(data = penguins)` creates an empty graph.
+The first argument of `ggplot()` is the dataset to use in the graph and so `ggplot(data = penguins)` creates an empty graph.
 This is not a very exciting plot, but you can think of it like an empty canvas you'll paint the remaining layers of your plot onto.
 
 ```{r}