Readme: Compatible with node-sass 3.2.0+

Also fix a mistake in version description: MINOR -> PATCH.

README.md

@@ -142,7 +142,7 @@ If this happens, change the import order so that Compass mixins are loaded later
 
 ### c. Bower
 
-bootstrap-sass Bower package is compatible with node-sass 1.2.3+. You can install it with:
+bootstrap-sass Bower package is compatible with node-sass 3.2.0+. You can install it with:
 
 ```console
 $ bower install bootstrap-sass
@@ -275,7 +275,7 @@ $navbar-default-color: $light-orange;
 ## Version
 
 Bootstrap for Sass version may differ from the upstream version in the last number, known as
-[MINOR](http://semver.org/spec/v2.0.0.html). The minor version may be ahead of the corresponding upstream minor.
+[PATCH](http://semver.org/spec/v2.0.0.html). The patch version may be ahead of the corresponding upstream minor.
 This happens when we need to release Sass-specific changes.
 
 Before v3.3.2, Bootstrap for Sass version used to reflect the upstream version, with an additional number for