diff --git a/docs/registry.rst b/docs/registry.rst
index 9a99774..efee914 100644
--- a/docs/registry.rst
+++ b/docs/registry.rst
@@ -61,7 +61,7 @@ The most basic usage of the registry is as follows:
 
 The :meth:`metaclass <objtools.registry.ClassRegistry.metaclass>` property
 provides a metaclass which performs auto-registration on the current
-registry instance. Two keyword arguments may optionally be sent to this 
+registry instance. Two keyword arguments may optionally be sent to this
 metaclass:
 
 **register** (bool)
diff --git a/objtools/collections.py b/objtools/collections.py
index adae4a5..90831ef 100644
--- a/objtools/collections.py
+++ b/objtools/collections.py
@@ -15,7 +15,7 @@ def namespacify(value: Any) -> Any:
 
     :param value: Anything that may be a mapping or may be an iterable
        that may hold a mapping.
-    :returns: 
+    :returns:
        * The value itself, if it is a Namespace instance or is neither
          a mapping, a sequence, a set, or an iterable;
        * A :class:`Namespace` instance for a mapping;