diff --git a/utils/btime/README.md b/utils/btime/README.md
index 0f94dc4..e692c21 100644
--- a/utils/btime/README.md
+++ b/utils/btime/README.md
@@ -23,4 +23,4 @@
 
 ### Примеры
 
-```btime -s "Kernel Boot Time: ```
+```btime -s "Kernel Boot Time: "```
diff --git a/utils/btime/main.c b/utils/btime/main.c
index b5af169..28875d2 100644
--- a/utils/btime/main.c
+++ b/utils/btime/main.c
@@ -16,27 +16,24 @@
 
 int main (int argc, char *argv[])
 {
-    int         c;
-    char        *dstr = NULL;
-    uint64_t    btime;
-    uint64_t    cycles;
-    uint64_t    cps;
+    int    c;
+    char   *dstr = NULL;
+    int    btime_sec, btime_nsec;
 
     while ( ( c = getopt( argc, argv, "s:" ) ) != -1 )
     {
         switch ( c )
         {
-            case 's':   // be verbose
+            case 's':
                 dstr = optarg;
                 break;
         }
     }
 
-    cps    = SYSPAGE_ENTRY(qtime)->cycles_per_sec / 1000;
-    cycles = ClockCycles();
-    btime  = cycles / cps;
+    btime_sec = SYSPAGE_ENTRY(qtime)->nsec / 1000000000;
+    btime_nsec = SYSPAGE_ENTRY(qtime)->nsec / 1000000 % 1000;
 
-    printf( "%s %lldms\n", (dstr) ? dstr : "", btime );
+    printf( "[%3d.%03d c.] %s \n",  btime_sec, btime_nsec, (dstr) ? dstr : "");
 
     return ( 0 );
 }