README.mdown in grid-coordinates-1.1.3 vs README.mdown in grid-coordinates-1.1.4

@@ -46,38 +46,42 @@
 
 When you use the mixin `+grid-coordinates` you are able to leverage the classes in your HTML or use the Sass `extend` option to "extend" the classes in your Sass stylesheets.
 
 For an example of this in use, take a peek at [grid-coordinates.com/.../demo.sass](https://github.com/adamstac/grid-coordinates.com/blob/master/themes/grid-coordinates/sass/demo.sass).
 
-`@extend grid-container`
+`@extend .grid-container`
 
-`@extend nested-grid-container`
+`@extend .nested-grid-container`
 
-`@extend grid([columns])`
+`@extend .grid([columns])`
 
-`@extend grid-prefix([columns])`
+`@extend .grid-prefix([columns])`
 
-`@extend grid-suffix([columns])`
+`@extend .grid-prefix-margin-([columns])`
 
-`@extend grid-push([columns])`
+`@extend .grid-suffix([columns])`
 
-`@extend grid-pull([columns])`
+`@extend .grid-suffix-margin-([columns])`
 
-`@extend grid-full`
+`@extend .grid-push([columns])`
 
+`@extend .grid-pull([columns])`
+
+`@extend .grid-full`
+
 ### Using the Mixins
 
 Use these mixins in your Sass stylesheets. Keep in mind that when you go the route of using mixins you are replicated much code in your output CSS. It's advised that you to learn the [Sass extend concept](http://sass-lang.com/docs/yardoc/file.SASS_REFERENCE.html#extend) and use that method vs mixins. Your output CSS code with thank you.
 
 `+grid-container`
 
 `+nested-grid-container`
 
 `+grid([columns])`
 
-`+grid-prefix([columns])`
+`+grid-prefix([columns], [type])`
 
-`+grid-suffix([columns])`
+`+grid-suffix([columns], [type])`
 
 `+grid-push([columns])`
 
 `+grid-pull([columns])`
 
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