Note that /proc must be mounted for filesystem type autodetection
to work. Without /proc mounted, one must explicitly specify the
type of every filesystem being mounted.
diff --git a/include/usage.h b/include/usage.h
index 05fd231..9390e34 100644
--- a/include/usage.h
+++ b/include/usage.h
@@ -1696,7 +1696,8 @@
#define mount_trivial_usage \
"[flags] DEVICE NODE [-o options,more-options]"
#define mount_full_usage \
- "Mount a filesystem\n\n" \
+ "Mount a filesystem. Autodetection of filesystem type requires the\n" \
+ "/proc filesystem be already mounted.\n\n" \
"Flags:\n" \
"\t-a:\t\tMount all filesystems in fstab.\n" \
USAGE_MTAB( \