Add documentation note

Signed-off-by: Mikayla Thompson <[email protected]>

Author: mikaylathompson

docs/concepts/projects/init.md

@@ -9,8 +9,10 @@ flag can be used to create a project for a library instead.
 ## Target directory
 
 uv will create a project in the working directory, or, in a target directory by providing a name,
-e.g., `uv init foo`. If there's already a project in the target directory, i.e., if there's a
-`pyproject.toml`, uv will exit with an error.
+e.g., `uv init foo`. The working directory can be modified with the `--directory` option, which will
+cause the target directory path will be interpreted relative to the specified working directory. If
+there's already a project in the target directory, i.e., if there's a `pyproject.toml`, uv will exit
+with an error.
 
 ## Applications