adds detail to buttons docs

diff --git a/docs/pages/button.md b/docs/pages/button.md
index 039605f7630439092fab956fea4016168f8eb780..f8a19445dee480c226c563ab8898d4bd0ff0efa6 100644 (file)
--- a/docs/pages/button.md
+++ b/docs/pages/button.md
@@ -16,6 +16,8 @@ In Inky HTML, the `<button>` tag creates all of this markup for you.
 
 ## Sizing
 
+By default, buttons are sized by the content and padding within them. You can also size a button according to it's parent container (see Expanded section).
+
 Buttons can be made larger or smaller by adding the class `.tiny`, `.small`, or `.large` to a button's outer `<table>`.
 
 In Inky HTML, add the same class to the `<button>` tag.