diff --git a/Fitting_dist_contig.py b/Fitting_dist_contig.py
index 9e45568..d2f9136 100755
--- a/Fitting_dist_contig.py
+++ b/Fitting_dist_contig.py
@@ -1,4 +1,4 @@
-#! usr/bin/python3
+#! /usr/bin/python3
 
 
 ####Required packages for installation
diff --git a/Genotype_Likelihoods.py b/Genotype_Likelihoods.py
index 12619b5..733b9e3 100755
--- a/Genotype_Likelihoods.py
+++ b/Genotype_Likelihoods.py
@@ -1,4 +1,4 @@
-#! usr/bin/python3
+#! /usr/bin/python3
 import os
 import sys
 import gzip
diff --git a/README.md b/README.md
index d6d4902..c73c217 100755
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 Tools for inferring ploidy levels, testing for aneuploidy and other stuff.
 Calculating its allele frequencies and genotype likelihoods requires to download the followings:
 
-* python 3, with packages `gzip, numpy, scipy, statistics`
+* python 3, with packages `gzip, numpy, scipy, pandas, lmfit`
 * R, with packages `pracma, data.table, Rcpp, getopt`
 * samtools