From 6132e360e11a0dfc6edf27f8634d44f4eb8e526f Mon Sep 17 00:00:00 2001
From: Rob Landley <rob@landley.net>
Date: Thu, 9 Feb 2017 13:58:03 -0600
Subject: Document df -a

---
 toys/posix/df.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/toys/posix/df.c b/toys/posix/df.c
index fddc3039..eb506a4c 100644
--- a/toys/posix/df.c
+++ b/toys/posix/df.c
@@ -16,6 +16,7 @@ config DF
     each filesystem listed on the command line, or all currently mounted
     filesystems.
 
+    -a	Show all (including /proc and friends)
     -P	The SUSv3 "Pedantic" option
     -k	Sets units back to 1024 bytes (the default without -P)
     -h	Human readable output (K=1024)
-- 
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