Various manpage / usage blurb improvements

Corrections, clarifications, consistency.

Not a comprehensive overhaul of the manpages; they do still need work.
These are just flaws I've noted while studying the ostree command syntax.

https://bugzilla.gnome.org/show_bug.cgi?id=740097

1 files changed, 2 insertions, 2 deletions

diff --git a/src/ostree/ot-builtin-checkout.c b/src/ostree/ot-builtin-checkout.c
index fae461f0..3f776192 100644
--- a/src/ostree/ot-builtin-checkout.c
+++ b/src/ostree/ot-builtin-checkout.c
@@ -42,7 +42,7 @@ static GOptionEntry options[] = {
   { "union", 0, 0, G_OPTION_ARG_NONE, &opt_union, "Keep existing directories, overwrite existing files", NULL },
   { "allow-noent", 0, 0, G_OPTION_ARG_NONE, &opt_allow_noent, "Do nothing if specified path does not exist", NULL },
   { "from-stdin", 0, 0, G_OPTION_ARG_NONE, &opt_from_stdin, "Process many checkouts from standard input", NULL },
-  { "from-file", 0, 0, G_OPTION_ARG_STRING, &opt_from_file, "Process many checkouts from input file", NULL },
+  { "from-file", 0, 0, G_OPTION_ARG_STRING, &opt_from_file, "Process many checkouts from input file", "FILE" },
   { NULL }
 };
 
@@ -179,7 +179,7 @@ ostree_builtin_checkout (int argc, char **argv, OstreeRepo *repo, GCancellable *
   gs_free char *resolved_commit = NULL;
   gs_unref_object GFile *checkout_target = NULL;
 
-  context = g_option_context_new ("COMMIT DESTINATION - Check out a commit into a filesystem tree");
+  context = g_option_context_new ("COMMIT [DESTINATION] - Check out a commit into a filesystem tree");
   g_option_context_add_main_entries (context, options, NULL);
 
   if (!g_option_context_parse (context, &argc, &argv, error))