diff --git a/README.md b/README.md
index 11f887f52..b1dee9fdd 100644
--- a/README.md
+++ b/README.md
@@ -34,7 +34,7 @@ Planned components
 
 File extension convention
 =======
-(1) .h are interface, utils and data structures, with detailed comment; 
-(2) .cpp are implementations that will be compiled, with less comment; 
-(3) .hpp are implementations that will be included by .cpp, with less comment
+* .h are interface, utils and data structures, with detailed comment; 
+* .cpp are implementations that will be compiled, with less comment; 
+* .hpp are implementations that will be included by .cpp, with less comment