diff --git a/docs/cli.md b/docs/cli.md
index dee328483da..88911d724d6 100644
--- a/docs/cli.md
+++ b/docs/cli.md
@@ -29,6 +29,7 @@ then `--help` combined with any of those can give you more information.
 * `--no-interaction (-n)`: Do not ask any interactive question.
 * `--no-plugins`: Disables plugins.
 * `--no-cache`: Disables Poetry source caches.
+* `--project=PROJECT`: Specify path to Poetry project the command should work at.
 
 
 ## new