diff --git a/src/lib/registerBuiltinNodes.tsx b/src/lib/registerBuiltinNodes.tsx
index 7cc1ea1..d0e748d 100644
--- a/src/lib/registerBuiltinNodes.tsx
+++ b/src/lib/registerBuiltinNodes.tsx
@@ -38,7 +38,7 @@ export function registerBuiltinNodes(): void {
       content: '@startuml\n\n@enduml\n',
       title: nodeId ?? '',
     }),
-    connectionLabel: 'add input',
+    connectionLabel: 'adding input',
   })
 
   registerNodeType({
@@ -53,7 +53,7 @@ export function registerBuiltinNodes(): void {
     help: NODE_HELP.render,
     menuLabel: 'Renderer',
     menuIcon: <Sparkles className={ICON_CLASS} />,
-    connectionLabel: 'render',
+    connectionLabel: 'rendering',
   })
 
   registerNodeType({
@@ -88,6 +88,6 @@ export function registerBuiltinNodes(): void {
     menuLabel: 'Function',
     menuIcon: <Code2 className={ICON_CLASS} />,
     getResetData: () => ({ body: '' }),
-    connectionLabel: 'add input',
+    connectionLabel: 'adding input',
   })
 }