diff --git a/Python3/Polynomials/64bit-fftmod.py b/Python3/Polynomials/64bit-fftmod.py
index 1396a16..e512ad5 100644
--- a/Python3/Polynomials/64bit-fftmod.py
+++ b/Python3/Polynomials/64bit-fftmod.py
@@ -19,7 +19,7 @@ def pack(pack, shamt):
 			npack += [pack[-1]]
 		pack, size, shamt = npack, (size + 1) >> 1, shamt << 1
 	return pack[0]
-
+#for unpacking u can use the python inbuilt function t do it
 def unpack(M, size, shamt):
 	s, sizes = size, []
 	while s > 1:
@@ -38,4 +38,4 @@ def poly_mul(f, g, mod = 1000000007):
 	shift = ((mod - 1) ** 2 * size).bit_length()
 	rsize = len(f) + len(g) - 1
 	h = unpack(pack(f, shift) * pack(g, shift), rsize, shift * (1 << ilog2(rsize - 1)))
-	return [int(x % mod) for x in h]
\ No newline at end of file
+	return [int(x % mod) for x in h]