diff --git a/data-transform.qmd b/data-transform.qmd
index 983f032..3319ec4 100644
--- a/data-transform.qmd
+++ b/data-transform.qmd
@@ -635,7 +635,12 @@ flights |>
   relocate(dest)
 ```
 
-This is similar to computing the max delay with `summarize()`, but you get the whole corresponding row instead of the single summary statistic.
+Note that there are 105 destinations but we get 108 rows here.
+What's up?
+`slice_min()` and `slice_max()` keep tied values so `n = 1` means give me all rows with the highest value.
+If you want exactly one row per group you can set `keep_ties = FALSE`.
+
+This is similar to computing the max delay with `summarize()`, but you get the whole corresponding row (or rows if there's a tie) instead of the single summary statistic.
 
 ### Grouping by multiple variables