diff --git a/AlgebraicDataflowArchitectureModel/src/algorithms/DataTransferModelAnalyzer.java b/AlgebraicDataflowArchitectureModel/src/algorithms/DataTransferModelAnalyzer.java
index 6cfd4e7..69fe530 100644
--- a/AlgebraicDataflowArchitectureModel/src/algorithms/DataTransferModelAnalyzer.java
+++ b/AlgebraicDataflowArchitectureModel/src/algorithms/DataTransferModelAnalyzer.java
@@ -28,25 +28,26 @@
 		channels.addAll(model.getChannels());
 		for (Channel channel: channels) {
 			for (ChannelMember member: ((DataTransferChannel) channel).getOutputChannelMembers()) {
-				boolean flag = !member.getStateTransition().isRightUnary();		// The state does not need to be stored if the state transition function is right unary.
+				boolean toBeStored = !member.getStateTransition().isRightUnary();		// The state does not need to be stored if the state transition function is right unary.
 				for (Node node : graph.getResourceNodes()) {
 					if (((ResourceNode) node).getInSideResources().contains(member.getResource())) {
-						setStoreAttribute((ResourceNode) node, flag);
+						setStoreAttribute((ResourceNode) node, toBeStored);
 					}
 				}
 			}
 		}
-		for (Node node : graph.getResourceNodes()) {
+		for (Node node: graph.getResourceNodes()) {
 			HashSet<Channel> inChannels = new HashSet<>();
-			for(Edge pre : ((ResourceNode) node).getInEdges()) {
-				if (pre instanceof DataFlowEdge) {
-					DataFlowEdge dfEdge = (DataFlowEdge) pre;
+			for(Edge inEdge: ((ResourceNode) node).getInEdges()) {
+				if (inEdge instanceof DataFlowEdge) {
+					DataFlowEdge dfEdge = (DataFlowEdge) inEdge;
 					if (dfEdge.isChannelToResource()) {
 						inChannels.add(((ChannelNode) dfEdge.getSource()).getChannel());
 					}
 				}
 			}
 			if ((inChannels.size() > 1)) {
+				// If the resource has multiple input channels, then the state of the resource needs to be stored.
 				setStoreAttribute((ResourceNode) node, true);
 			} else if (((ResourceNode) node).getAttribute() == null) {
 				setStoreAttribute((ResourceNode) node, false);
@@ -55,15 +56,15 @@
 		return graph;
 	}
 
-	static private void setStoreAttribute(ResourceNode node, boolean flag) {
+	static private void setStoreAttribute(ResourceNode node, boolean toBeStored) {
 		NodeAttribute attr = node.getAttribute();
 		StoreAttribute store;
 		if (attr != null && attr instanceof NodeAttribute) {
 			store = (StoreAttribute) attr;
-			store.setNeeded(store.isNeeded() || flag);
+			store.setNeeded(store.isNeeded() || toBeStored);
 		} else {
 			store = new StoreAttribute();
-			store.setNeeded(flag);
+			store.setNeeded(toBeStored);
 			node.setAttribute(store);
 		}
 	}