Merge pull request #6 from chrisn/spelling

Fix spelling

Author: rhiaro

index.html

@@ -60,7 +60,7 @@
 and some are dependent on each other.
 
 Versioning may be helpful for individual features,
-so that we can iterate on them independantly of each other.
+so that we can iterate on them independently of each other.
 There are also efforts such as [Baseline](https://developer.mozilla.org/en-US/docs/Glossary/Baseline/Compatibility),
 which provides the concept of an unversioned snapshot
 with interoperability guarantees,