diff --git a/src/ostree/ot-builtin-commit.c b/src/ostree/ot-builtin-commit.c
index c43f9b3c..1db2e2bc 100644
--- a/src/ostree/ot-builtin-commit.c
+++ b/src/ostree/ot-builtin-commit.c
@@ -105,7 +105,7 @@ static GOptionEntry options[] = {
   { "base", 0, 0, G_OPTION_ARG_STRING, &opt_base, "Start from the given commit as a base (no modifiers apply)", "REV" },
   { "tree", 0, 0, G_OPTION_ARG_STRING_ARRAY, &opt_trees, "Overlay the given argument as a tree", "dir=PATH or tar=TARFILE or ref=COMMIT" },
   { "add-metadata-string", 0, 0, G_OPTION_ARG_STRING_ARRAY, &opt_metadata_strings, "Add a key/value pair to metadata", "KEY=VALUE" },
-  { "add-metadata", 0, 0, G_OPTION_ARG_STRING_ARRAY, &opt_metadata_variants, "Add a key/value pair to metadata, where the KEY is a string, an VALUE is g_variant_parse() formatted", "KEY=VALUE" },
+  { "add-metadata", 0, 0, G_OPTION_ARG_STRING_ARRAY, &opt_metadata_variants, "Add a key/value pair to metadata, where the KEY is a string, and VALUE is in GVariant Text Format", "KEY=VALUE" },
   { "keep-metadata", 0, 0, G_OPTION_ARG_STRING_ARRAY, &opt_metadata_keep, "Keep metadata KEY and its associated VALUE from parent", "KEY" },
   { "add-detached-metadata-string", 0, 0, G_OPTION_ARG_STRING_ARRAY, &opt_detached_metadata_strings, "Add a key/value pair to detached metadata", "KEY=VALUE" },
   { "owner-uid", 0, 0, G_OPTION_ARG_INT, &opt_owner_uid, "Set file ownership user id", "UID" },