diff --git a/Sheet5/gh_response.txt b/Sheet5/gh_response.txt
index 846e973..b5d9d6e 100644
--- a/Sheet5/gh_response.txt
+++ b/Sheet5/gh_response.txt
@@ -10,12 +10,13 @@ Using clang++
 > make run EX=Ex5 COMPILER=CLANG_
 
 Added 
-#include "algorithm"     // GH: transform()
+#include <algorithm>     // GH: transform()
 in mylib.pp:2
 
 1:
 no scheduling tested
-no functionality as reduction_append implemented
+reduction_vec_append() implemented but never tested.
+
 
 2: mainEx2.cpp
 no parallelization at all. neighter OpenMP nor C++ execution policies