Add to flex grid docs that .column and .columns are both options for class names...

diff --git a/docs/pages/flex-grid.md b/docs/pages/flex-grid.md
index 338537dd5af867c927ba08c181e950d26b6d2cda..7f2374d860c2ffe13f38d1d0f1be3cb47cd88d1e 100644 (file)
--- a/docs/pages/flex-grid.md
+++ b/docs/pages/flex-grid.md
@@ -43,7 +43,7 @@ If you're using the Sass version of Foundation, remove the CSS export for the fl
 
 ## Basics
 
-The structure of the flex grid is identical to that of the float grid. Rows use the class `.row`, and columns use the class `.column`. Basic percentage-based sizing can also be done using the same grid classes you're used to: `.small-6`, `.medium-12`, and so on.
+The structure of the flex grid is identical to that of the float grid. Rows use the class `.row`, and columns use the class `.column` (or `.columns`). Basic percentage-based sizing can also be done using the same grid classes you're used to: `.small-6`, `.medium-12`, and so on.
 
 ```html_example
 <div class="row">