diff --git a/kernel/trunk/docs/sysfuncr.txt b/kernel/trunk/docs/sysfuncr.txt
index bd3d3cbab1..31dd7dc055 100644
--- a/kernel/trunk/docs/sysfuncr.txt
+++ b/kernel/trunk/docs/sysfuncr.txt
@@ -765,7 +765,7 @@ picture     rb  Xsize*Ysize*4  ; 32 бита
 
 ---------------------- Константы для регистров: ----------------------
   eax - SF_SYSTEM (18)
-  ebx - SSF_GET_CPU_REQUENCY (5)
+  ebx - SSF_GET_CPU_FREQUENCY (5)
 ======================================================================
  Функция 18, подфункция 6 - сохранить рамдиск в файл на жёстком диске.
 ======================================================================
diff --git a/kernel/trunk/docs/sysfuncs.txt b/kernel/trunk/docs/sysfuncs.txt
index a56a4e02fb..6c87402ef3 100644
--- a/kernel/trunk/docs/sysfuncs.txt
+++ b/kernel/trunk/docs/sysfuncs.txt
@@ -756,7 +756,7 @@ Returned value:
 
 ---------------------- Constants for registers: ----------------------
   eax - SF_SYSTEM (18)
-  ebx - SSF_GET_CPU_REQUENCY (5)
+  ebx - SSF_GET_CPU_FREQUENCY (5)
 ======================================================================
  Function 18, subfunction 6 - save ramdisk to the file on hard drive.
 ======================================================================
diff --git a/programs/KOSfuncs.inc b/programs/KOSfuncs.inc
index d0dfdf73d6..1bc8e1580a 100644
--- a/programs/KOSfuncs.inc
+++ b/programs/KOSfuncs.inc
@@ -34,7 +34,7 @@ SF_SYSTEM=18
   SSF_TERMINATE_THREAD=2        ; terminate process/thread by the slot number
   SSF_FOCUS_WINDOW=3            ; give focus to the window of the given thread
   SSF_GET_IDLE_COUNT=4          ; get counter of idle cycles per second
-  SSF_GET_CPU_REQUENCY=5        ; get CPU clock rate
+  SSF_GET_CPU_FREQUENCY=5        ; get CPU clock rate
   SSF_RD_TO_HDD=6               ; save ramdisk to the file on hard disk
   SSF_GET_ACTIVE_WINDOW=7       ; get slot number of the active window
   SSF_SPEAKER=8