diff --git a/content/appendix/address.md b/content/appendix/address.md
index 6c9650cc0..20575a2e6 100644
--- a/content/appendix/address.md
+++ b/content/appendix/address.md
@@ -144,7 +144,7 @@ const (
 |----------|---------------------|
 | protocol |        payload      |
 |----------|---------------------|
-|    2     | 	SHA256(Random) 	 |
+|    2     | blake2b-160(Random) |
 ```
 
 **String**
@@ -153,7 +153,7 @@ const (
 |------------|----------|-----------------------|----------|
 |  network   | protocol |         payload       | checksum |
 |------------|----------|-----------------------|----------|
-| 'f' or 't' |    '2'   |  	SHA256(Random)  	|  4 bytes |
+| 'f' or 't' |    '2'   |  blake2b-160(Random)  |  4 bytes |
                   base32[..................................]
 ```