Fix typo in Readme
This link wasn't working in Chrome because it's case sensitive, and the Markdown parsers (GitHub, npmjs) make the anchor tags / destinations lowercase.
diff --git a/README.md b/README.md
index e9aee87..6cdd76d 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,7 @@
- [nano.request(opts, [callback])](#nanorequestopts-callback)
- [nano.config](#nanoconfig)
- [nano.updates([params], [callback])](#nanoupdatesparams-callback)
- - [nano.followUpdates([params], [callback])](#nanofollowUpdatesparams-callback)
+ - [nano.followUpdates([params], [callback])](#nanofollowupdatesparams-callback)
- [document functions](#document-functions)
- [db.insert(doc, [params], [callback])](#dbinsertdoc-params-callback)
- [db.destroy(docname, rev, [callback])](#dbdestroydocname-rev-callback)
