diff --git a/reference/exec/functions/proc-nice.xml b/reference/exec/functions/proc-nice.xml
index 25dd75810c..50221377ab 100644
--- a/reference/exec/functions/proc-nice.xml
+++ b/reference/exec/functions/proc-nice.xml
@@ -53,40 +53,40 @@
- REALTIME_PRIORITY_CLASS
+ Realtime priority
- increment > 23
+ increment &-t; -14
- HIGH_PRIORITY_CLASS
+ High priority
- increment > 12
+ increment < -9
- ABOVE_NORMAL_PRIORITY_CLASS
+ Above normal priority
- increment > 9
+ increment < -4
- NORMAL_PRIORITY_CLASS
+ Normal priority
- increment > 7 &
- increment < 4
+ increment < 5 &
+ increment > -5
- IDLE_PRIORITY_CLASS
+ Below normal priority
increment > 5
- BELOW_NORMAL_PRIORITY_CLASS
+ Idle priority
- increment > 3
+ increment > 9
@@ -115,10 +115,7 @@
]]>