1 files changed, 4 insertions, 2 deletions
diff --git a/NEWS.md b/NEWS.md
index 02163ff9c0..129cd45a1c 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -119,8 +119,10 @@ Note: We're only listing outstanding class updates.
     * Proc#parameters now accepts lambda keyword. [[Feature #15357]]
 
 * Regexp
-    * Regexp.new now warns second argument, other than `true`, `false`,
-      `nil` or Integer.  [[Feature #18788]]
+    * Regexp.new now supports passing the regexp flags not only as an Integer,
+      but also as a String Unknown flags raise errors.  Otherwise, anything
+      other than `true`, `false`, `nil` or Integer will be warned.
+      [[Feature #18788]]
 
 * Refinement
     * Refinement#refined_class has been added. [[Feature #12737]]