diff --git a/src/paralel.cu b/src/paralel.cu
index 315651f90879e3c033df7be6806dc3f2940a21bc..d57fdf09080a20b6ce4acc7d596338ed39e0c42f 100644
--- a/src/paralel.cu
+++ b/src/paralel.cu
@@ -31,6 +31,8 @@ int main () {
     // synchronize device
     // code goes here
 
+    // free memory in device
+    /// code goes here
 
     // stop the timer
     // code goes here
@@ -39,6 +41,8 @@ int main () {
     // write result matrice to a file
     // code goes here
 
+    // free result matrice
+    // code goes here