[PATCH] Fix doc style

[Juergen Beisert]

Do it in the same way the 'saveenv' comand does it.

Signed-off-by: Juergen Beisert <jbe at pengutronix.de>
---
diff --git a/commands/loadenv.c b/commands/loadenv.c
index 14fbf1e..9bbe0f4 100644
--- a/commands/loadenv.c
+++ b/commands/loadenv.c
@@ -44,7 +44,7 @@ static int do_loadenv(struct command *cmdtp, int argc, char *argv[])
 }
 
 static const __maybe_unused char cmd_loadenv_help[] =
-"Usage: loadenv [ENVFS] [DIRECTORY]\n"
+"Usage: loadenv [<envfs>] [<directory>]\n"
 "Load the persistent storage contained in <envfs> to the directory\n"
 "<directory>.\n"
 "If ommitted <directory> defaults to /env and <envfs> defaults to /dev/env0.\n"

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