array.c: update Array#dig doc

* array.c (rb_ary_dig): [DOC] update an example of error message
  by Array#dig, because of Integer Unification.  [Fix GH-1455]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56337 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/array.c b/array.c
index 8d0098c0bc..d24f071d27 100644
--- a/array.c
+++ b/array.c
@@ -5665,7 +5665,7 @@ rb_ary_any_p(VALUE ary)
  *
  *   a.dig(0, 1, 1)                    #=> 3
  *   a.dig(1, 2, 3)                    #=> nil
- *   a.dig(0, 0, 0)                    #=> TypeError: Fixnum does not have #dig method
+ *   a.dig(0, 0, 0)                    #=> TypeError: Integer does not have #dig method
  *   [42, {foo: :bar}].dig(1, :foo)    #=> :bar
  */