diff --git a/exiv2.md b/exiv2.md
index efeec38c..e2e3f8e8 100644
--- a/exiv2.md
+++ b/exiv2.md
@@ -116,6 +116,10 @@ and see if `enable_bmff=1`.
 
 - Naked codestream JXL files do not contain Exif, IPTC or XMP metadata.
 
+- Support of video files is limited. Currently **exiv2** only has some
+  rudimentary support to read metadata from quicktime based video files (e.g.
+  .MOV/.MP4).
+
 
 [TOC](#TOC)