diff --git a/README.md b/README.md
index b187a3f..0358971 100644
--- a/README.md
+++ b/README.md
@@ -20,3 +20,12 @@ A tiling window extension for GNOME Shell. Just move a window over another one,
 
 https://www.youtube.com/watch?v=xX9HUBFj5XE
 thanks to WOGUE
+
+## Notes.
+### Ubuntu 18.04
+Ubuntu 18.04 comes with a basic tiling behavior, so you will have problems using both at the same time.
+The faster workaround is to disable the default one:
+```
+dconf write /org/gnome/mutter/edge-tiling false
+dconf write /org/gnome/shell/overrides/edge-tiling false
+```