diff --git a/pages/common/renice.md b/pages/common/renice.md
index 49762a20d..3977bb051 100644
--- a/pages/common/renice.md
+++ b/pages/common/renice.md
@@ -10,6 +10,6 @@
 
 `renice -n {{niceness_value}} -u {{user}}`
 
-- Change priority of all processes that belongs to a group:
+- Change priority of all processes that belong to a process group:
 
-`renice -n {{niceness_value}} -g {{group}}`
+`renice -n {{niceness_value}} --pgrp {{process_group}}`