Fix documentation for ENV.each to return ENV

Also have spec check that it returns ENV.

Mostly from burdettelamar@yahoo.com (Burdette Lamar).

Fixes [Bug #16164]

1 files changed, 2 insertions, 2 deletions

diff --git a/hash.c b/hash.c
index e9d994bf70..8b84a14484 100644
--- a/hash.c
+++ b/hash.c
@@ -5276,9 +5276,9 @@ env_each_value(VALUE ehash)
 
 /*
  * call-seq:
- *   ENV.each      { |name, value| block } -> Hash
+ *   ENV.each      { |name, value| block } -> ENV
  *   ENV.each                              -> Enumerator
- *   ENV.each_pair { |name, value| block } -> Hash
+ *   ENV.each_pair { |name, value| block } -> ENV
  *   ENV.each_pair                         -> Enumerator
  *
  * Yields each environment variable +name+ and +value+.