diff --git a/src/components/snake/brain-neat.ts b/src/components/snake/brain-neat.ts
index 32585a3..fb765b3 100644
--- a/src/components/snake/brain-neat.ts
+++ b/src/components/snake/brain-neat.ts
@@ -185,6 +185,8 @@ import IOSet from './ioset';
 
 export type NodeID = string;
 
+// NOTE: the types here aren't perfect but they are better than the
+//       complete nightmare that they could be...
 export interface RawEdge {
     src_id: NodeID;
     dst_id: NodeID;
@@ -274,8 +276,8 @@ export class Network<EdgeT extends Edge<Node<EdgeT>>> {
 
 interface Gene {
     innovation: number;
-    src: NodeID;
-    dst: NodeID;
+    src_id: NodeID;
+    dst_id: NodeID;
     weight: number;
     enabled: boolean;
 }
diff --git a/src/test/test-brain-neat.ts b/src/test/test-brain-neat.ts
index 77d9d69..ffc3e6a 100644
--- a/src/test/test-brain-neat.ts
+++ b/src/test/test-brain-neat.ts
@@ -33,6 +33,7 @@ function testEdgesToNodesBasic() {
         Array.from(nodeA.dsts).map(e => e.dst.id),
         ['C', 'D', 'E'],
     );
+
     const nodeB = nodes.get('B')!;
     assert(nodeB.id === 'B');
     assert(nodeB.srcs.size === 0);
@@ -41,6 +42,7 @@ function testEdgesToNodesBasic() {
         Array.from(nodeB.dsts).map(e => e.dst.id),
         ['D'],
     );
+
     const nodeC = nodes.get('C')!;
     assert(nodeC.id === 'C');
     assert(nodeC.srcs.size === 1);
@@ -53,6 +55,7 @@ function testEdgesToNodesBasic() {
         Array.from(nodeC.dsts).map(e => e.dst.id),
         ['E'],
     );
+
     const nodeD = nodes.get('D')!;
     assert(nodeD.id === 'D');
     assert(nodeD.srcs.size === 2);
@@ -60,11 +63,13 @@ function testEdgesToNodesBasic() {
         Array.from(nodeD.srcs).map(e => e.src.id),
         ['A', 'B'],
     );
+
     assert(nodeD.dsts.size === 2);
     assertArrayEqual(
         Array.from(nodeD.dsts).map(e => e.dst.id),
         ['E', 'F'],
     );
+
     const nodeE = nodes.get('E')!;
     assert(nodeE.id === 'E');
     assert(nodeE.srcs.size === 3);
@@ -72,6 +77,7 @@ function testEdgesToNodesBasic() {
         Array.from(nodeE.srcs).map(e => e.src.id),
         ['A', 'C', 'D'],
     );
+
     assert(nodeE.dsts.size === 0);
     const nodeF = nodes.get('F')!;
     assert(nodeF.id === 'F');