diff --git a/valgrind_output.txt b/valgrind_output.txt
index 7e464b60496168ecec5f810e0ee64bede71020d8..a464b0d8735638d461fc64f9d5cacb11765eae82 100644
--- a/valgrind_output.txt
+++ b/valgrind_output.txt
@@ -1,19 +1,22 @@
-==4924== Memcheck, a memory error detector
-==4924== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
-==4924== Using Valgrind-3.13.0 and LibVEX; rerun with -h for copyright info
-==4924== Command: ./fact
-==4924== 
+==25902== Memcheck, a memory error detector
+==25902== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
+==25902== Using Valgrind-3.13.0 and LibVEX; rerun with -h for copyright info
+==25902== Command: ./fact
+==25902== 
+!!! WARNING: ONLY POSITIVE NUMBER AND >2 ARE ACCEPTED !!!
+OTHERWISE THE PROGRAMME CANNOT RUN CORRECTLY
+
 Many or few arguments
 
 Correct command syntax:
 ./fact [-N number_of_threads] input_file.txt output_file.txt
 
-==4924== 
-==4924== HEAP SUMMARY:
-==4924==     in use at exit: 0 bytes in 0 blocks
-==4924==   total heap usage: 1 allocs, 1 frees, 4,096 bytes allocated
-==4924== 
-==4924== All heap blocks were freed -- no leaks are possible
-==4924== 
-==4924== For counts of detected and suppressed errors, rerun with: -v
-==4924== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)
\ No newline at end of file
+==25902== 
+==25902== HEAP SUMMARY:
+==25902==     in use at exit: 0 bytes in 0 blocks
+==25902==   total heap usage: 1 allocs, 1 frees, 4,096 bytes allocated
+==25902== 
+==25902== All heap blocks were freed -- no leaks are possible
+==25902== 
+==25902== For counts of detected and suppressed errors, rerun with: -v
+==25902== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)