diff --git a/protocol/blockchain/hash.md b/protocol/blockchain/hash.md
index 921da47..00967b3 100644
--- a/protocol/blockchain/hash.md
+++ b/protocol/blockchain/hash.md
@@ -1,5 +1,5 @@
 # Hash
 
- - Sha256
- - Ripemd160
- - Murmur
+ - SHA256
+ - RIPEMD160
+ - Murmur
\ No newline at end of file