CONTRIBUTING.md in bugsnag-api-2.0.2 vs CONTRIBUTING.md in bugsnag-api-2.0.3

@@ -24,10 +24,10 @@
 * Get a member of the platforms team to add you as contributor on bugsnag-ruby in Rubygems
 
 ### Every time
 
 * Update `CHANGELOG.md`
-* Update the version number in `bugsnag-api.gemspec`
+* Update the version number in [`lib/bugsnag/api/version.rb`](./lib/bugsnag/api/version.rb)
 * Update `README.md` if necessary with changes to the interface or configuration
 * Commit/push your changes
 * Release to rubygems
 
   ```