diff --git a/arch/textwindow.cc b/arch/textwindow.cc
index 8a27c43..b4bd32f 100644
--- a/arch/textwindow.cc
+++ b/arch/textwindow.cc
@@ -55,7 +55,7 @@ void TextWindow::print(const char* str, size_t length, CGA::Attribute attrib) {
         if(from_col+x_now >= to_col-1){
             x_now = 0;
             if(from_row + y_now >= to_row-1){
-                //scrollUp()
+                //TODO scrollUp()
             }
             else{
                 y_now++;