diff --git a/docs/source/usage.rst b/docs/source/usage.rst
index 87a7d722..449af33e 100644
--- a/docs/source/usage.rst
+++ b/docs/source/usage.rst
@@ -72,14 +72,14 @@ specify the ``branch-name`` or ``commit-hash``. For example::
 Where to put configuration files
 ================================
 
-``repo2docker`` will look for configuration files in either:
+``repo2docker`` will look for configuration files in:
 
 * A folder named ``binder/`` in the root of the repository.
 * A folder named ``.binder/`` in the root of the repository.
 * The root directory of the repository.
 
-If either the folder ``binder/`` or ``.binder/`` is located at the top level of
-the repository, only configuration files in that folder will be considered.
+`repo2docker` searches for these folders in order (``binder/``, ``.binder/``,
+root). Only configuration files in the first identified folder are considered.
 
 Check the complete list of :ref:`configuration files <config-files>` supported
 by ``repo2docker`` to see how to configure the build process.