diff --git a/docs/pyproject.md b/docs/pyproject.md
index ec75e222e1e..cf717d992cd 100644
--- a/docs/pyproject.md
+++ b/docs/pyproject.md
@@ -17,6 +17,9 @@ The `tool.poetry` section of the `pyproject.toml` file is composed of multiple s
 
 The name of the package. **Required**
 
+This should be a valid name as defined by [PEP 508](https://peps.python.org/pep-0508/#names).
+
+
 ```toml
 name = "my-package"
 ```