diff --git a/www/docs/customization/snapcraft.md b/www/docs/customization/snapcraft.md
index 8f2e2c2c776..abd0a7f2c90 100644
--- a/www/docs/customization/snapcraft.md
+++ b/www/docs/customization/snapcraft.md
@@ -7,6 +7,10 @@ From there it will be installable in all the
 [supported Linux distros](https://snapcraft.io/docs/core/install), with
 automatic and transactional updates.
 
+!!! warning
+
+    Snapcraft packages can't be build inside a Docker container.
+
 You can read more about it in the [snapcraft docs](https://snapcraft.io/docs/).
 
 Available options: