Fix nocopy description
nocopy does not apply to bind mounts, only volumes
@@ -84,4 +84,5 @@ change propagation properties of source mount. Say `/` is source mount for
To disable automatic copying of data from the container path to the volume, use
-the `nocopy` flag. The `nocopy` flag can be set on bind mounts and named volumes.
+the `nocopy` flag. The `nocopy` flag can be set on named volumes, and does not
+apply to bind mounts..
