Explicitly state the ordering of cards in card columns

diff --git a/docs/components/card.md b/docs/components/card.md
index b53d2e39ae3ce610068854a45225fd58550764da..79c13d3ee1ea1f1edb900929fc2409b2641b2e8a 100644 (file)
--- a/docs/components/card.md
+++ b/docs/components/card.md
@@ -496,7 +496,9 @@ Only applies to small devices and above.
 
 ## Columns
 
-Cards can be organized into [Masonry](http://masonry.desandro.com)-like columns with just CSS by wrapping them in `.card-columns`. Only applies to small devices and above.
+Cards can be organized into [Masonry](http://masonry.desandro.com)-like columns with just CSS by wrapping them in `.card-columns`. Cards are ordered vertically when wrapped in `.card-columns`. 
+
+Only applies to small devices and above.
 
 **Heads up!** This is **not available in IE9 and below** as they have no support for the [`column-*` CSS properties](https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Using_multi-column_layouts).