fixing comment

Author: shubhangi-google

google-apis-core/lib/google/apis/core/storage_upload.rb

@@ -225,7 +225,7 @@ def check_resumable_upload_status(client)
             if response.headers['Range']
               range = response.headers['Range']
               @offset = range ? range.split('-').last.to_i + 1 : 0
-              puts "Upload is incomplete. Bytes uploaded: #{response.headers['Range']}"
+              puts "Upload is incomplete. Bytes uploaded so far: #{response.headers['Range']}"
             else
               puts 'No bytes uploaded yet.'
             end