diff --git a/packages/client/hmi-client/src/components/model/model-parts/tera-model-part-entry.vue b/packages/client/hmi-client/src/components/model/model-parts/tera-model-part-entry.vue
index 9300ef0fd3..d10a19a3f1 100644
--- a/packages/client/hmi-client/src/components/model/model-parts/tera-model-part-entry.vue
+++ b/packages/client/hmi-client/src/components/model/model-parts/tera-model-part-entry.vue
@@ -12,7 +12,7 @@
 				/>
 			</span>
 			<span class="unit" :class="{ time: isTimePart }">
-				<template v-if="input && output">
+				<template v-if="input || output">
 					<span><label>Input:</label> {{ input }}</span>
 					<span><label>Output:</label> {{ output }}</span>
 				</template>
diff --git a/packages/client/hmi-client/src/model-representation/service.ts b/packages/client/hmi-client/src/model-representation/service.ts
index 9fd79aa476..f653108368 100644
--- a/packages/client/hmi-client/src/model-representation/service.ts
+++ b/packages/client/hmi-client/src/model-representation/service.ts
@@ -358,6 +358,9 @@ export enum PartType {
 	TRANSITION = 'TRANSITION'
 }
 
+// FIXME: should refactor so typing is explicit and clear
+// Note "model" is both an AMR model, or it can be a list of transition templates
+// FIXME: Nelson recommended we show subject/outcome/controllers instead of input/output
 export function createPartsList(parts, model, partType) {
 	return Array.from(parts.keys()).map((id) => {
 		const childTargets = parts.get(id) ?? [];