* array.c: Improve rdoc for eql?

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40455 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

array.c

@@ -3603,7 +3603,7 @@ recursive_eql(VALUE ary1, VALUE ary2, int recur)
  *     ary.eql?(other)  -> true or false
  *
  *  Returns +true+ if +self+ and +other+ are the same object,
- *  or are both arrays with the same content.
+ *  or are both arrays with the same content (according to Object#eql?).
  */
 
 static VALUE