diff --git a/chapter5.Rmd b/chapter5.Rmd
index 784ff2f..b9dac05 100644
--- a/chapter5.Rmd
+++ b/chapter5.Rmd
@@ -679,8 +679,7 @@ glimpse(RATS)
 
 `@sct`
 ```{r}
-test_object("RATS", incorrect_msg = "Did you create `RATS`?")
-test_function("glimpse", args = "object",incorrect_msg = "Did you glimpse `RATS`?")
+test_function("factor", not_called_msg = "Did you use `factor()` to factor `RATS$ID and `RATS$Group`?")
 test_error()
 success_msg("Success!")
 ```