1 files changed, 4 insertions, 0 deletions
diff --git a/amino-acid-composition b/amino-acid-composition
index 177276a..cc84e2c 100755
--- a/amino-acid-composition
+++ b/amino-acid-composition
@@ -1,4 +1,8 @@
 #!/bin/bash -norc
+
+# Public domain notice for all NCBI EDirect scripts is located at:
+# https://www.ncbi.nlm.nih.gov/IEB/ToolBox/CPP_DOC/lxr/source/scripts/projects/blast/LICENSE   
+
 abbrev=( Ala Asx Cys Asp Glu Phe Gly His Ile \
          Xle Lys Leu Met Asn Pyl Pro Gln Arg \
          Ser Thr Sec Val Trp Xxx Tyr Glx )