diff --git a/Office/PowerPoint.md b/Office/PowerPoint.md
index b11b3af..6062c4f 100644
--- a/Office/PowerPoint.md
+++ b/Office/PowerPoint.md
@@ -1 +1,5 @@
+## Kerning
+
+PowerPoint *only* supports the legacy `kern` table. See [fontations#1183](https://github.com/googlefonts/fontations/issues/1183).
+
 ## Embeding