diff --git a/docs/manual/prerequisite.txt b/docs/manual/prerequisite.txt
index 763fe79041..48be489f90 100644
--- a/docs/manual/prerequisite.txt
+++ b/docs/manual/prerequisite.txt
@@ -37,6 +37,7 @@ between distributions).
 ** +rsync+
 ** +file+ (must be in +/usr/bin/file+)
 ** +bc+
+** +findutils+
 
 * Source fetching tools:
 ** +wget+