diff --git a/Types.md b/Types.md
index a6b853d..3711b16 100644
--- a/Types.md
+++ b/Types.md
@@ -8,6 +8,12 @@
 `preview`
 `music_offtopic`
 
+### POI Categories
+
+These signify a specific point in the video (Point of Interest). Start time and end time are equal.
+
+`poi_highlight`
+
 ### Service
 
 `YouTube`
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