[process]freebsd: implementes proceess.Nice()
diff --git a/README.rst b/README.rst
index d363c49..16a8090 100644
--- a/README.rst
+++ b/README.rst
@@ -179,8 +179,8 @@
 uids                x     x      x
 gids                x     x      x
 terminal            x     x      x
-io_counters         x
-nice                x            x       x
+io_counters         x     x
+nice                x     x      x       x
 num_fds             x
 num_ctx_switches    x
 num_threads         x     x      x       x
diff --git a/process/process_freebsd.go b/process/process_freebsd.go
index aae6892..94c0a32 100644
--- a/process/process_freebsd.go
+++ b/process/process_freebsd.go
@@ -163,7 +163,11 @@
 	return termmap[ttyNr], nil
 }
 func (p *Process) Nice() (int32, error) {
-	return 0, common.NotImplementedError
+	k, err := p.getKProc()
+	if err != nil {
+		return 0, err
+	}
+	return int32(k.Nice), nil
 }
 func (p *Process) IOnice() (int32, error) {
 	return 0, common.NotImplementedError