diff --git a/README.md b/README.md
index e66bd74..ad5123d 100644
--- a/README.md
+++ b/README.md
@@ -53,10 +53,10 @@ Data description:
    
     Contains CPPs consisting of non-natural amino acids.
 
-       4.1. CPPBase_modified
+       # 4.1. CPPBase_modified
       
        Contains a list of modified CPPs with experimentally proved activity in .fasta format.
       
-       4.2. CPPBase_modified_symbols
+       # 4.2. CPPBase_modified_symbols
       
        Contains a list of abbreviations for modified amino acids  in .txt format (ABBREVIATION: NAME; ...: ...).