Touch option description grammatical error fixed [ci skip]

activerecord/lib/active_record/associations.rb

@@ -1418,7 +1418,7 @@ def has_one(name, scope = nil, options = {})
       #
       #   Note that <tt>accepts_nested_attributes_for</tt> sets <tt>:autosave</tt> to <tt>true</tt>.
       # [:touch]
-      #   If true, the associated object will be touched (the updated_at/on attributes set to now)
+      #   If true, the associated object will be touched (the updated_at/on attributes set to current time)
       #   when this record is either saved or destroyed. If you specify a symbol, that attribute
       #   will be updated with the current time in addition to the updated_at/on attribute.
       # [:inverse_of]