diff --git a/README.md b/README.md
index 5ab3310..e66bd74 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ Data description:
    
     Contains CPPs with natural or modified amino acids.
 
-       ## 1.1. POSEIDON
+       1.1. POSEIDON
 
         Contains heterogeneous experimental data regarding CPP (natural and non-natural amino acids) activity measurements (.csv format), which are:
           - peptide name,