diff --git a/docs/software/alphafold.md b/docs/software/alphafold.md
index 28f3ffb..1348771 100644
--- a/docs/software/alphafold.md
+++ b/docs/software/alphafold.md
@@ -4,6 +4,8 @@ AlphaFold is a protein structure prediction system developed by DeepMind.
 It uses machine learning techniques to accurately predict protein structures,
 which is an important task in computational biology.
 
+Version 2
+
 ## How to use
 
 1. Prepare Directories