Merge pull request #1011 from marquiz/fixes/docs

docs: fix typo in CRD name

docs/usage/custom-resources.md

@@ -20,10 +20,10 @@ NFD uses some Kubernetes [custom resources][custom-resources].
 ## NodeFeature
 
 **EXPERIMENTAL**
-NodeFeatureRule is an NFD-specific custom resource for communicating node
-features and node labeling requests. Support for NodeFeatureRule objects is
+NodeFeature is an NFD-specific custom resource for communicating node
+features and node labeling requests. Support for NodeFeature objects is
 disabled by default. If enabled, nfd-master watches for NodeFeature objects,
-labels nodes accordingly and uses the listed features as input when evaluating
+labels nodes as specified and uses the listed features as input when evaluating
 [NodeFeatureRule](#nodefeaturerule)s. NodeFeature objects can be used for
 implementing 3rd party extensions (see
 [customization guide](customization-guide#nodefeature-custom-resource) for more