REFERENCE.mkdn in susy-1.0.alpha.1 vs REFERENCE.mkdn in susy-1.0.alpha.2

@@ -61,12 +61,12 @@
 - `<$media-layout>`: Optional media-layout shortcuts 
   (see 'Responsive Grids' below). 
   - Default: `$total-columns`.
 
 ```scss
-nav { @include columns(3,12); }
-article { @include columns(9 omega,12); }
+nav { @include span-columns(3,12); }
+article { @include span-columns(9 omega,12); }
 ```
 **Span Columns**: `span-columns(<$columns> [<omega> , <$context>, <$from>])`
 - _Apply to any element to align it with the Susy Grid._
 - `<$columns>`: The number of _Columns_ to span, with optional `<omega>` flag.
 - `<$context>`: Current nesting _Context_. 
@@ -74,10 +74,10 @@
 - `<$from>`: The origin direction of your document flow. 
   - Default: `$from-direction`.
 
 ```scss
 .gallery-image { 
-  @include columns(3,9);              // each gallery-image is 3 of 9 cols.
+  @include span-columns(3,9);         // each gallery-image is 3 of 9 cols.
   &:nth-child(3n) { @include omega; } // every third image completes a row.
 }
 ```
 **Omega**: `omega([<$from>])`
 - _Apply to any omega element as an override._