diff --git a/man2/mount.2 b/man2/mount.2
index 84efdae3c..bf341aa75 100644
--- a/man2/mount.2
+++ b/man2/mount.2
@@ -241,6 +241,13 @@ call;
 and
 .I filesystemtype
 are ignored.
+The
+.I mountflags
+and
+.I data
+arguments should match the values used in the original
+.BR mount ()
+call, except for those parameters that are being deliberately changed.
 
 The following
 .I mountflags