diff --git a/README.md b/README.md
index e6b9ab71..ef664047 100644
--- a/README.md
+++ b/README.md
@@ -38,7 +38,7 @@ Sass is a little more complicated;
 where they'll be automatically compiled
 to corresponding CSS files in `public/stylesheets` when needed
 (the Sass template directory is customizable...
-see [the Sass reference](http://sass-lang.com/docs/yardoc/SASS_REFERENCE.md.html#template_location-option) for details).
+see [the Sass reference](http://sass-lang.com/docs/yardoc/file.SASS_REFERENCE.html#template_location-option) for details).
 
 For Merb, `.html.haml` views will work without any further modification.
 To enable Sass, you also need to add a dependency.
@@ -129,7 +129,7 @@ like `if` and `while`:
         = "Happy new " + "year!"
 
 Haml provides far more tools than those presented here.
-Check out the [reference documentation](http://beta.haml-lang.com/docs/yardoc/file.HAML_REFERENCE.md)
+Check out the [reference documentation](http://beta.haml-lang.com/docs/yardoc/file.HAML_REFERENCE.html)
 for full details.
 
 #### Indentation
@@ -151,10 +151,10 @@ and get small stylesheets up and running quickly,
 particularly with the help of
 [the Compass style library](http://compass-style.org).
 
-[vars]:    http://beta.sass-lang.com/docs/yardoc/file.SASS_REFERENCE.md#variables_
-[nested]:  http://beta.sass-lang.com/docs/yardoc/file.SASS_REFERENCE.md#nested_rules_
+[vars]:    http://beta.sass-lang.com/docs/yardoc/file.SASS_REFERENCE.html#variables_
+[nested]:  http://beta.sass-lang.com/docs/yardoc/file.SASS_REFERENCE.html#nested_rules_
 [mixins]:  http://beta.sass-lang.com/docs/yardoc/file.SASS_REFERENCE.html#mixins
-[imports]: http://beta.sass-lang.com/docs/yardoc/file.SASS_REFERENCE.md#import
+[imports]: http://beta.sass-lang.com/docs/yardoc/file.SASS_REFERENCE.html#import
 
 Sass has two syntaxes.
 The one presented here, known as "SCSS" (for "Sassy CSS"),
@@ -163,7 +163,7 @@ The other (older) syntax, known as the indented syntax or just "Sass",
 is whitespace-sensitive and indentation-based.
 For more information, see the [reference documentation][syntax].
 
-[syntax]: http://beta.sass-lang.com/docs/yardoc/file.SASS_REFERENCE.md#syntax
+[syntax]: http://beta.sass-lang.com/docs/yardoc/file.SASS_REFERENCE.html#syntax
 
 To run the following examples and see the CSS they produce,
 put them in a file called `test.scss` and run `sass test.scss`.
@@ -232,7 +232,7 @@ You can even give them arguments.
     }
 
 A comprehensive list of features is available
-in the [Sass reference](http://beta.sass-lang.com/docs/yardoc/file.SASS_REFERENCE.md).
+in the [Sass reference](http://beta.sass-lang.com/docs/yardoc/file.SASS_REFERENCE.html).
 
 ## Executables