diff --git a/site/docs/transform/bin.md b/site/docs/transform/bin.md
index c9fd788964..12f72e1e5a 100644
--- a/site/docs/transform/bin.md
+++ b/site/docs/transform/bin.md
@@ -110,7 +110,7 @@ If `bin` is `true`, default binning parameters are used. To customize binning pa
 
 ### Example: Customizing Max Bins
 
-Setting the `maxbins` parameter changes the number of output bins.
+Setting the `maxbins` parameter changes the maximum number of output bins. There will often be fewer bins since the domain get sliced at "nicely-rounded" values.
 
 <div class="vl-example" data-name="histogram_bin_change"></div>