builtin/help.c: add --guide option

diff --git a/test-delta.c b/test-delta.c
index af40a3c49ee0df5f0caaebae8e9bc6e9ffdb092b..4595cd6433f9fd543791ee5a8a59a9112b50c046 100644 (file)
--- a/test-delta.c
+++ b/test-delta.c
@@ -23,7 +23,7 @@ int main(int argc, char *argv[])
        unsigned long from_size, data_size, out_size;
 
        if (argc != 5 || (strcmp(argv[1], "-d") && strcmp(argv[1], "-p"))) {
-               fprintf(stderr, "Usage: %s\n", usage_str);
+               fprintf(stderr, "usage: %s\n", usage_str);
                return 1;
        }