Add missing 'node' object

Author: ssoelvsten

body.tex

@@ -841,7 +841,7 @@ \subsection{Information flow monitoring and attenuation}
 When information at level $\ell_{\mathit{data}}$ is sent to a remote node with trust level
 $\ell_{\mathit{trust}}$, the runtime performs the check
 $\ell_{\mathit{data}} \sqsubseteq \ell_{\mathit{trust}}$ to ensure that no sensitive information
-flows to a that can violate confidentiality. Because we have no way of enforcing the
+flows to a node that can violate confidentiality. Because we have no way of enforcing the
 information flow on the remote node, this also means that
 trust relationship between nodes is transitive.