diff --git a/README.md b/README.md
index 0a779e7..31c6958 100644
--- a/README.md
+++ b/README.md
@@ -66,7 +66,7 @@ _Using DEHam_
 140   # The largest number of non-zero elements per row (Multiple of Ndet)
 1     # The total number of processors used in parallel (Multiple of Ndet)
 1     # The number of holes
-0     # The isz (ms-1/2) value
+0     # The isz (nalpha-nbeta-1) (odd spins) value or (nalpha-nbeta) (even spins) 
 true     # Restrict the hole to the 1'st (i.e. half of natom) Family of states. *false* for no restrictions
 1,2,3,1,2,3,4,5,6,7	# The topology of the system is specified here
 2,3,4,8,7,6,5,6,7,8	# first and second line contain the two sites linked