Signed depth warning

8 years ago · 8a28f701ba
1 changed files with 2 additions and 0 deletions
--- a/README.md
+++ b/README.md
@ -25,6 +25,8 @@ to the `require` section of your `composer.json` file.

 ## Migrations example

+Warning! `depth` attribute can not be unsigned!
+
 Single tree migration:

 ```php