diff --git a/source/main.cpp b/source/main.cpp
index a97dae9..1399c56 100644
--- a/source/main.cpp
+++ b/source/main.cpp
@@ -24,7 +24,7 @@ int main(void)
 	}
 	int b = clock();
 
-	//	wiz::LoadData::SaveWizDB(global, buffer, "output.eu4");
+		//wiz::LoadData::SaveWizDB(global, buffer, "output.eu4");
 
 		if (buffer) {
 			delete[] buffer;
diff --git a/source/memory_pool.cpp b/source/memory_pool.cpp
index 5f5e119..6c8e6bf 100644
--- a/source/memory_pool.cpp
+++ b/source/memory_pool.cpp
@@ -9,7 +9,9 @@ namespace wiz {
 			return &arr[count - 1];
 		}
 		else {
-			count++; // for number check..
+			// in real depth?  <= 10 ?
+			// static Node[10] and list<Node*> ?
+			count++; // for number check.
 			else_list.push_back(new Node());
 			return else_list.back();
 		}