diff --git a/basics/04-Programming-Basics/04-Programming-Basics.Rmd b/basics/04-Programming-Basics/04-Programming-Basics.Rmd
index f462e16..325b0a5 100644
--- a/basics/04-Programming-Basics/04-Programming-Basics.Rmd
+++ b/basics/04-Programming-Basics/04-Programming-Basics.Rmd
@@ -60,7 +60,7 @@ R is easiest to use when you know how the R language works. This tutorial will t
 
 ### Run a function
 
-Can you use the `sqrt()` function in the chunk below to compute the square root of 962?
+Can you use the `sqrt()` function in the chunk below to compute the square root of 961?
 
 ```{r functions-1, exercise = TRUE}
 
@@ -258,7 +258,7 @@ iris
 
 ### rm()
 
-What if you accidentally overwrite an object? If that object came with R or one of its packages, you can restore the original version of the object by removing your version with `rm()`. Run `rm()` on `iris` below to restore the iris data set.
+What if you accidentally overwrite an object? If that object came with R or one of its packages, you can restore the original version of the object by removing your version with `rm()`. Run `rm()` on `iris` below to restore the iris data set. Then print `iris` again to show that the original version has been restored.
 
 ```{r objects-5, exercise = TRUE}
 iris <- 1