diff --git a/PhyloToL-Part-1:-GF-assignment.md b/PhyloToL-Part-1:-GF-assignment.md
index 77f5a53..9785716 100644
--- a/PhyloToL-Part-1:-GF-assignment.md
+++ b/PhyloToL-Part-1:-GF-assignment.md
@@ -72,8 +72,15 @@ Role of each script
 <img src="https://github.com/Katzlab/PhyloToL-6/blob/main/Other/PTL1_Processing_Transcriptomes_scripts.png" width="100%">
 
 Main inputs : A folder containing the assembled transcripts, a folder containing the Databases, and a folder containing the scripts.
-Optional inputs : Gcodes.txt and Conspecific.txt
+*Optional inputs : Gcodes.txt and Conspecific.txt
 Outputs : ReadyToGo files (AA and NTD), taxon summary, and sequence summary. 
+* The Gcodes.txt is a tab separated txt file containing the genetic code of the taxa. This will most likely not be needed except for some organisms like ciliates
+Example:
+| EE_uc_Me03  | Universal | 
+| EE_uc_Me04  | Universal | 
+| EE_uc_Me05  | Universal | 
+| EE_uc_Me06  | Universal | 
+| EE_uc_Me07  | Universal | 
 
 
 ### Processing genomes