Fix one typo and use 'Microseconds' instead of 'useconds' in the pre-emphasis
descriptions.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
        };
        static const char * const tune_preemphasis[] = {
                "No Preemphasis",
-               "50 useconds",
-               "75 useconds",
+               "50 Microseconds",
+               "75 Microseconds",
                NULL,
        };
        static const char * const header_mode[] = {
        };
        static const char * const mpeg4_profile[] = {
                "Simple",
-               "Adcanved Simple",
+               "Advanced Simple",
                "Core",
                "Simple Scalable",
                "Advanced Coding Efficency",