diff --git a/doc/hash2/hashing_bytes.adoc b/doc/hash2/hashing_bytes.adoc
index 47da47e..e774142 100644
--- a/doc/hash2/hashing_bytes.adoc
+++ b/doc/hash2/hashing_bytes.adoc
@@ -222,3 +222,7 @@ before {cpp}26.)
 
 ### RIPEMD-160
 
+## Choosing a Hash Algorithm
+
+...
+