Update layers.qmd (#1759)

1 typo and 1 punc

Author: gungorMetehan

layers.qmd

@@ -136,7 +136,7 @@ You'll need to pick a value that makes sense for that aesthetic:
 
 -   The name of a color as a character string, e.g., `color = "blue"`
 -   The size of a point in mm, e.g., `size = 1`
--   The shape of a point as a number, e.g, `shape = 1`, as shown in @fig-shapes.
+-   The shape of a point as a number, e.g., `shape = 1`, as shown in @fig-shapes.
 
 ```{r}
 #| label: fig-shapes
@@ -399,7 +399,7 @@ In the following plot not only did we use a new geom (`geom_density_ridges()`),
 #| fig-alt: 
 #|   Density curves for highway mileage for cars with rear wheel, 
 #|   front wheel, and 4-wheel drives plotted separately. The 
-#|   distribution is bimodal and roughly symmetric for real and 
+#|   distribution is bimodal and roughly symmetric for rear and 
 #|   4 wheel drive cars and unimodal and right skewed for front 
 #|   wheel drive cars.
 library(ggridges)
@@ -1011,4 +1011,4 @@ One layer we have not yet touched on is theme, which we will introduce in @sec-t
 
 Two very useful resources for getting an overview of the complete ggplot2 functionality are the ggplot2 cheatsheet (which you can find at <https://posit.co/resources/cheatsheets>) and the ggplot2 package website ([https://ggplot2.tidyverse.org](https://ggplot2.tidyverse.org/)).
 
-An important lesson you should take from this chapter is that when you feel the need for a geom that is not provided by ggplot2, it's always a good idea to look into whether someone else has already solved your problem by creating a ggplot2 extension package that offers that geom.
+An important lesson you should take from this chapter is that when you feel the need for a geom that is not provided by ggplot2, it's always a good idea to look into whether someone else has already solved your problem by creating a ggplot2 extension package that offers that geom.