diff --git a/debian/tests/cmake-test b/debian/tests/cmake-test
index f882d91e..2391cf01 100755
--- a/debian/tests/cmake-test
+++ b/debian/tests/cmake-test
@@ -2,6 +2,7 @@
 
 set -e
 
+# this is taken from libjsoncpp package
 # Presence of $ADTTMP implies that someone will handle cleanup for us, so we
 # can avoid duplicating the effort (signal handling, etc.) here.
 if [ -z "$ADTTMP" ]
@@ -11,6 +12,8 @@ then
 fi
 
 
+# the idea was taken from spirv-llvm-translator package
+
 cd "$ADTTMP"
 cat <<EOF > CMakeLists.txt
 cmake_minimum_required(VERSION 2.6.2)