diff --git a/visualize.Rmd b/visualize.Rmd
index ba87b57..959b2ba 100644
--- a/visualize.Rmd
+++ b/visualize.Rmd
@@ -708,19 +708,21 @@ ggplot(data = mpg) +
 
 ##### Exercises
 
-1. What graph will this code make? 
-```{r eval = FALSE}
-ggplot(data = mpg) + 
-  geom_point(mapping = aes(x = displ, y = hwy)) +
-  facet_grid(drv ~ .)
-```
+1.  What graph will this code make? 
 
-1. What graph will this code make? 
-```{r eval = FALSE}
-ggplot(data = mpg) + 
-  geom_point(mapping = aes(x = displ, y = hwy)) +
-  facet_grid(. ~ cyl)
-```
+    ```{r eval = FALSE}
+    ggplot(data = mpg) + 
+      geom_point(mapping = aes(x = displ, y = hwy)) +
+      facet_grid(drv ~ .)
+    ```
+
+1.  What graph will this code make? 
+
+    ```{r eval = FALSE}
+    ggplot(data = mpg) + 
+      geom_point(mapping = aes(x = displ, y = hwy)) +
+      facet_grid(. ~ cyl)
+    ```
 
 
 ### The layered grammar of graphics