diff --git a/man8/thin_dump.8 b/man8/thin_dump.8
index 7f2a9a1..ce97bae 100644
--- a/man8/thin_dump.8
+++ b/man8/thin_dump.8
@@ -5,7 +5,7 @@ thin_dump \- dump thin provisioning metadata from device or file to standard out
 .SH SYNOPSIS
 .B thin_dump
 .RB [options]
-.I {metadata device|file}
+.I {device|file}
 
 .SH DESCRIPTION
 .B thin_dump
diff --git a/man8/thin_rmap.8 b/man8/thin_rmap.8
index d68defb..67f8be4 100644
--- a/man8/thin_rmap.8
+++ b/man8/thin_rmap.8
@@ -1,11 +1,11 @@
 .TH THIN_DUMP 8 "Thin Provisioning Tools" "Red Hat, Inc." \" -*- nroff -*-
 .SH NAME
-thin_rmap \- output reverse map of a thin provisioned region of blocks
+thin_rmap \- output reverse map of a thin provisioned region of blocks from metadata device or file
 
 .SH SYNOPSIS
 .B thin_rmap
 .RB [options]
-.I {metadata device|file}
+.I {device|file}
 
 .SH DESCRIPTION
 .B thin_rmap