diff --git a/README.md b/README.md
index 533c8d0..58231ae 100644
--- a/README.md
+++ b/README.md
@@ -38,6 +38,11 @@ one of the above locations. The first argument to the script is the directory co
 burst files and the second argument is the final path for the image without an extension. For more details
 see `postprocess.sh` in this repository.
 
+# Video recording
+
+Video recording needs gstreamer framework, dcraw and imagemagick. You
+may need to "sudo apt install dcraw imagemagick".
+
 # Developing
 
 Megapixels is developed at: https://gitlab.com/megapixels-org/megapixels