diff --git a/vignettes/format.qmd b/vignettes/format.qmd
index c7eb122e..75a5ff06 100644
--- a/vignettes/format.qmd
+++ b/vignettes/format.qmd
@@ -49,7 +49,8 @@ tt(dat) |>
   format_tt(
     j = 2:4,
     digits = 1,
-    date = "%B %d %Y"
+    date = "%B %d %Y",
+    bool = tolower
   ) |>
   format_tt(
     j = 1,
@@ -176,15 +177,13 @@ tt(dat) |>
 
 ## Replacement
 
-Missing values can be replaced by a custom string using the `replace` argument (default `""`):
+Missing values can be replaced by a custom string using the `replace` argument:
 
 ```{r}
 tab <- data.frame(a = c(NA, 1, 2), b = c(3, NA, 5))
 
 tt(tab)
 
-tt(tab) |> format_tt()
-
 tt(tab) |> format_tt(replace = "-")
 ```