diff --git a/README.md b/README.md
index c041727..def4d59 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@
 ```shell
 # will build the binary into ${BUILDDIR}. The golang compiler is fetched and installed into ${BUILDDIR}
 make BUILDDIR=$PWD
-# Create a random avatar and write it to /tmp/avatar.svg
+# Create a random avatar and write it to /tmp/avatar.svg. Note that for the same seed string always the same image will be generated.
 $PWD/gitea/bin/avatar my-special-seed-string > /tmp/avatar.svg
 # Open SVG file with image viewer
 eog /tmp/avatar.svg