docs: add clarification to `virtualenvs.path`

Co-authored-by: Bjorn Neergaard <bjorn@neersighted.com>

docs/configuration.md

@@ -356,6 +356,10 @@ Applies on virtualenv creation.
 
 Directory where virtual environments will be created.
 
+{{% note %}}
+This setting controls the global virtual environment storage path. It most likely will not be useful at the local level. To store virtual environments in the project root, see `virtualenvs.in-project`.
+{{% /note %}}
+
 ### `virtualenvs.prefer-active-python` (experimental)
 
 **Type**: `boolean`