diff --git a/.changeset/thirty-experts-exist.md b/.changeset/thirty-experts-exist.md
new file mode 100644
index 0000000000..0534afedfc
--- /dev/null
+++ b/.changeset/thirty-experts-exist.md
@@ -0,0 +1,5 @@
+---
+"@primer/css": major
+---
+
+Marketing: use size modifiers that don't look like breakpoints modifiers