diff --git a/lib/std/packed_int_array.zig b/lib/std/packed_int_array.zig
index f15ddbe974..6ef7ebeaf4 100644
--- a/lib/std/packed_int_array.zig
+++ b/lib/std/packed_int_array.zig
@@ -1,4 +1,4 @@
-//! An set of array and slice types that bit-pack integer elements. A normal [12]u3
+//! A set of array and slice types that bit-pack integer elements. A normal [12]u3
 //! takes up 12 bytes of memory since u3's alignment is 1. PackedArray(u3, 12) only
 //! takes up 4 bytes of memory.