diff --git a/dtc.c b/dtc.c
index f15d90f..051a68b 100644
--- a/dtc.c
+++ b/dtc.c
@@ -81,6 +81,10 @@ static void usage(void)
fprintf(stderr, "Usage:\n");
fprintf(stderr, "\tdtc [options] \n");
fprintf(stderr, "\nOptions:\n");
+ fprintf(stderr, "\t-h\n");
+ fprintf(stderr, "\t\tThis help text\n");
+ fprintf(stderr, "\t-q\n");
+ fprintf(stderr, "\t\tQuiet: -q suppress warnings, -qq errors, -qqq all\n");
fprintf(stderr, "\t-I \n");
fprintf(stderr, "\t\tInput formats are:\n");
fprintf(stderr, "\t\t\tdts - device tree source text\n");
@@ -92,7 +96,7 @@ static void usage(void)
fprintf(stderr, "\t\t\tdtb - device tree blob\n");
fprintf(stderr, "\t\t\tasm - assembler source\n");
fprintf(stderr, "\t-V