better description of the foundation-everything mixin parameters

diff --git a/docs/pages/xy-grid.md b/docs/pages/xy-grid.md
index 340b8e976cd08c9dd8362d19f17c4e914361e059..c5db80c5466e92b97455f8dba447256310daed9d 100644 (file)
--- a/docs/pages/xy-grid.md
+++ b/docs/pages/xy-grid.md
@@ -24,9 +24,10 @@ The XY grid is supported in Chrome, Firefox, Safari 6+, IE10+, iOS 7+, and Andro
 
 ## Importing
 
-**XY grid is the default Foundation grid**. It is present by default in `foundation.css` of CDN link or package managers. In Sass, it will be generated by default by `@include foundation-everything` (unless `$global-flex` or `$xy-grid` are set to false).
+**XY grid is the default Foundation grid**. It is present by default in `foundation.css` of CDN link or package managers. In Sass, it will be generated by default by `@include foundation-everything` (unless `$flex` or `$xy-grid` are set to false).
 
-If `$xy-grid: false` is set, the flex grid is used instead.
+If `$xy-grid` is set to false, the flex grid is used.  
+If `$flex` is set to false, the float grid is used instead.
 
 You can manually generate the XY Grid with:
 ```scss