Editted one sentence about exercise on sapply()

RBeginnersExercise2.Rmd

@@ -122,7 +122,7 @@ The `unique()` function in R can be used to find all unique values in a specific
 
 ```
 
-By using the `sapply()` function, try to find the unique values in each column in the `menu` table. 
+By using the `sapply()` function, find the unique values in each column in the `menu` table. 
 
 ```{r}
 # Write your code below

RBeginnersExercise2_Sol.Rmd

@@ -123,7 +123,7 @@ The `unique()` function in R can be used to find all unique values in a specific
 unique(menu$Price)
 ```
 
-By using the `sapply()` function, try to find the unique values in each column in the `menu` table. 
+By using the `sapply()` function, find the unique values in each column in the `menu` table. 
 
 ```{r}
 # Write your code below