diff --git a/bin/xbps-rindex/xbps-rindex.1 b/bin/xbps-rindex/xbps-rindex.1
index 7cfcda81..4cee8cc3 100644
--- a/bin/xbps-rindex/xbps-rindex.1
+++ b/bin/xbps-rindex/xbps-rindex.1
@@ -17,6 +17,11 @@ in local repositories.
 .Bl -tag -width November 6-x
 .It Fl d, Fl -debug
 Enables extra debugging shown to stderr.
+.It Fl C -hashcheck
+Check not only for file existence but for the correct file hash while cleaning.
+This flag is only useful with the
+.Em clean
+mode.
 .It Fl f -force
 Forcefully register binary package into the local repository, overwriting existing entry.
 Or forcefully create a package signature, even if there's an existing one already.