diff --git a/benchmarks/core/is-decreasing.bril b/benchmarks/core/is-decreasing.bril
index 8819f97ec..da1ba4085 100644
--- a/benchmarks/core/is-decreasing.bril
+++ b/benchmarks/core/is-decreasing.bril
@@ -1,4 +1,4 @@
-# Input: an array of length 6
+# Input: an integer
 # Output: if an number contains digits in strictly decreasing order
 # ARGS: 954320
 @main(x: int) {