diff --git "a/Embedder\047s-Guide.md" "b/Embedder\047s-Guide.md"
index e84353a..fb0bcc1 100644
--- "a/Embedder\047s-Guide.md"
+++ "b/Embedder\047s-Guide.md"
@@ -209,7 +209,7 @@
 }
 
 void SetPointX(Local<String> property, Local<Value> value,
-               const PropertyCallbackInfo<Value>& info) {
+               const PropertyCallbackInfo<void>& info) {
   Local<Object> self = info.Holder();
   Local<External> wrap = Local<External>::Cast(self->GetInternalField(0));
   void* ptr = wrap->Value();