spelling: tarball

Author: jsoref

makerelease.py

@@ -377,7 +377,7 @@ def main():
                                          user=options.user, sftp=options.sftp)
             print('Source and doc release tarballs uploaded')
         else:
-            print('No upload user specified. Web site and download tarbal were not uploaded.')
+            print('No upload user specified. Web site and download tarball were not uploaded.')
             print('Tarball can be found at:', doc_tarball_path)
 
         # Set next version number and commit