Update development notes

Author: sobakasu

README.md

@@ -123,7 +123,7 @@ calculation to check that the headers are compatible.
 Releases need to be distributed to rubygems.org and npmjs.org. To do this, you need to have accounts with both providers
 and be added as a collaborator to the kpop gem and npm packages.
 
-1. Update the version in `lib/katalyst/kpop/version.rb`
+1. Update the version in `katalyst-kpop.gemspec`
 2. Ensure that `rake` passes (format and tests)
 3. Tag a release and push to rubygems.org by running `rake release`