diff --git a/usr.sbin/powerd/powerd.8 b/usr.sbin/powerd/powerd.8
index fdf19245383f..d8d9bbacdf6b 100644
--- a/usr.sbin/powerd/powerd.8
+++ b/usr.sbin/powerd/powerd.8
@@ -86,7 +86,7 @@ The default is 500 ms.
 Specifies the CPU idle percent level where
 adaptive
 mode should consider the CPU running and increase performance.
-The default is 80% or lower.
+The default is 65% or lower.
 .It Fl v
 Verbose mode.
 Messages about power changes will be printed to stdout and
diff --git a/usr.sbin/powerd/powerd.c b/usr.sbin/powerd/powerd.c
index a2ecb48cfb20..13f515dc5e79 100644
--- a/usr.sbin/powerd/powerd.c
+++ b/usr.sbin/powerd/powerd.c
@@ -44,9 +44,9 @@ __FBSDID("$FreeBSD$");
 #include <sys/sysctl.h>
 #include <sys/resource.h>
 
-#define DEFAULT_ACTIVE_PERCENT	80
+#define DEFAULT_ACTIVE_PERCENT	65
 #define DEFAULT_IDLE_PERCENT	90
-#define DEFAULT_POLL_INTERVAL	500
+#define DEFAULT_POLL_INTERVAL	500	/* Poll interval in milliseconds */
 
 enum modes_t {
 	MODE_MIN,