diff --git a/doc/manual/nix-prefetch-url.xml b/doc/manual/nix-prefetch-url.xml
index b31b699af..0d953e946 100644
--- a/doc/manual/nix-prefetch-url.xml
+++ b/doc/manual/nix-prefetch-url.xml
@@ -12,7 +12,7 @@
 
 <refnamediv>
   <refname>nix-prefetch-url</refname>
-  <refpurpose>copy a file from a URL into the store and print its MD5 hash</refpurpose>
+  <refpurpose>copy a file from a URL into the store and print its hash</refpurpose>
 </refnamediv>
 
 <refsynopsisdiv>