diff --git a/README.rst b/README.rst
index 3c70ede9..37d5523e 100644
--- a/README.rst
+++ b/README.rst
@@ -32,6 +32,11 @@ In addition of Python dependencies listed in a section below, other software may
 * mtools is recommended to support data transfer to/from QEMU VMs using virtual disks.
 * i386-libraries of libc and libcrypto are optional (Linux only), they are only needed to run IOU based nodes.
 
+Docker support
+**************
+
+Docker support needs the script program (`bsdutils` or `util-linux` package), when running a docker VM and a static busybox during installation (python3 setup.py install / pip3 install / package creation).
+
 Branches
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