Fix spec description in Method#owner.
Fix spec description in Method#owner.

eregon/rubyspec,wied03/rubyspec,ruby/spec,kachick/rubyspec,ruby/spec,kachick/rubyspec,ruby/spec,wied03/rubyspec,sgarciac/spec,nobu/rubyspec,sgarciac/spec,wied03/rubyspec,kachick/rubyspec,eregon/rubyspec,sgarciac/spec,nobu/rubyspec,nobu/rubyspec,ruby/rubyspec,ruby/rubyspec,eregon/rubyspec