[DOC] Tweaks for Hash#each_value

Merged: https://github.com/ruby/ruby/pull/12774

hash.c

@@ -3039,23 +3039,19 @@ each_value_i(VALUE key, VALUE value, VALUE _)
  *    each_value {|value| ... } -> self
  *    each_value -> new_enumerator
  *
- *  Calls the given block with each value; returns +self+:
+ *  With a block given, calls the block with each value; returns +self+:
+ *
  *    h = {foo: 0, bar: 1, baz: 2}
  *    h.each_value {|value| puts value } # => {foo: 0, bar: 1, baz: 2}
+ *
  *  Output:
  *    0
  *    1
  *    2
  *
- *  Returns a new Enumerator if no block given:
+ *  With no block given, returns a new Enumerator.
- *    h = {foo: 0, bar: 1, baz: 2}
+ *
- *    e = h.each_value # => #<Enumerator: {foo: 0, bar: 1, baz: 2}:each_value>
+ *  Related: see {Methods for Iterating}[rdoc-ref:Hash@Methods+for+Iterating].
- *    h1 = e.each {|value| puts value }
- *    h1 # => {foo: 0, bar: 1, baz: 2}
- *  Output:
- *    0
- *    1
- *    2
  */
 
 static VALUE