diff --git a/docs/src/pages/components/ProgressBar.svx b/docs/src/pages/components/ProgressBar.svx
index 7ed85752..4116fdd4 100644
--- a/docs/src/pages/components/ProgressBar.svx
+++ b/docs/src/pages/components/ProgressBar.svx
@@ -9,6 +9,12 @@ Without a specified `value` prop, the progress bar is indeterminate.
 
 <ProgressBar helperText="Loading..." />
 
+### Small size
+
+Specify `size="sm"` to use the small variant.
+
+<ProgressBar size="sm" helperText="Loading..." />
+
 ### Percentage
 
 <ProgressBar value={40} labelText="Upload status" helperText="40 MB of 100 MB" />