diff --git a/NEWS.md b/NEWS.md
index 33637dcda5c01..25e743a240dd7 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -142,6 +142,7 @@ Standard library changes
 
 Deprecated or removed
 ---------------------
+- Multiple successive semicolons in an array expresion were previously ignored (e.g. `[1 ;; 2] == [1 ; 2]`). Multiple semicolons are being reserved for future syntax and may have different behavior in the future.
 
 External dependencies
 ---------------------