Try to correct grammer of the NEWS entry [ci skip]

1 files changed, 2 insertions, 2 deletions

diff --git a/NEWS.md b/NEWS.md
index 26274c4e6b..d760de7c11 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -101,8 +101,8 @@ Outstanding ones only.
     * Modified method
 
         * Net::HTTP.get, Net::HTTP.get_response, and Net::HTTP.get_print can
-          take request headers as Hash in the second argument when the first
-          argument is an URI.
+          take request headers as a Hash in the second argument when the first
+          argument is a URI.
 
 ## Compatibility issues