diff --git a/README.md b/README.md
index d8f0ef2..ee79a08 100644
--- a/README.md
+++ b/README.md
@@ -84,7 +84,9 @@ GIF: Vessels respect COLREG Rule 14(head-on) & 16. | GIF: Vessels respect COLREG
|
GIF: DEV tracking another target vessel during rain. | GIF: DEV tracking in snow and fog conditions.
|
-
+
+Note that the GIFs may be slightly sped up to manage upload size limits.
+
## Limitations
* Currently, only a single vessel type (motorboat) has been trained for a sufficiently long enough time.