Fix documentation and comment typo 'no_hz'

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Acked-by: Len Brown <len.brown@intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

drivers/cpufreq/cpufreq_ondemand.c

@@ -725,7 +725,7 @@ static int __init cpufreq_gov_dbs_init(void)
 		dbs_tuners_ins.down_differential =
 					MICRO_FREQUENCY_DOWN_DIFFERENTIAL;
 		/*
-		 * In no_hz/micro accounting case we set the minimum frequency
+		 * In nohz/micro accounting case we set the minimum frequency
 		 * not depending on HZ, but fixed (very low). The deferred
 		 * timer might skip some samples if idle/sleeping as needed.
 		*/