diff --git a/README.md b/README.md
index 817d5c47..840266cc 100644
--- a/README.md
+++ b/README.md
@@ -236,6 +236,8 @@ Optional.
 
 Shell command to run tests after the build. The wheel will be installed automatically and available for import from the tests. `{project}` can be used as a placeholder for the absolute path to the project's root and will be replaced by `cibuildwheel`.
 
+On Linux and Mac, the command runs in a shell, so you can write things like `cmd1 && cmd2`. 
+
 Example: `nosetests {project}/tests`
 
 Platform-specific variants also available: