free: document newly added options

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

diff --git a/include/usage.src.h b/include/usage.src.h
index c26ed8b12ff2aaaa874d0831c385e1e6affd8cd3..577eb57468676215e7b2cbb1dc517ff4900f6edb 100644 (file)
--- a/include/usage.src.h
+++ b/include/usage.src.h
@@ -1301,7 +1301,7 @@ INSERT
      "\n       -w      Use WIDTH columns instead of 80" \
 
 #define free_trivial_usage \
-       ""
+       "" IF_DESKTOP("[-b/k/m/g]")
 #define free_full_usage "\n\n" \
        "Display the amount of free and used system memory"
 #define free_example_usage \