Fix max, min, minmax documentation (#3131)

They only need that all objects implement <=>,
but the documentation said it needs Comparable.

1 files changed, 2 insertions, 2 deletions

diff --git a/array.c b/array.c
index e5de0841aa..0bf5c153b9 100644
--- a/array.c
+++ b/array.c
@@ -4932,7 +4932,7 @@ rb_ary_union_multi(int argc, VALUE *argv, VALUE ary)
  *     ary.max(n) {|a, b| block}   -> array
  *
  *  Returns the object in _ary_ with the maximum value. The
- *  first form assumes all objects implement Comparable;
+ *  first form assumes all objects implement <code><=></code>;
  *  the second uses the block to return <em>a <=> b</em>.
  *
  *     ary = %w(albatross dog horse)
@@ -4985,7 +4985,7 @@ rb_ary_max(int argc, VALUE *argv, VALUE ary)
  *     ary.min(n) {| a,b | block } -> array
  *
  *  Returns the object in _ary_ with the minimum value. The
- *  first form assumes all objects implement Comparable;
+ *  first form assumes all objects implement <code><=></code>;
  *  the second uses the block to return <em>a <=> b</em>.
  *
  *     ary = %w(albatross dog horse)