diff --git a/check_cpu.md b/check_cpu.md
index 5396deaa6f5841ade1462dc3df1babf14450d7f9..489e3f30a584a2b6527a9e034b8af283f8fc4324 100644
--- a/check_cpu.md
+++ b/check_cpu.md
@@ -24,6 +24,8 @@ system - Time spent in kernel space
 
 For all values it sends performance data.
 
+If there are processes with status D they will be shown (to analyze cpu waits).
+
 ### Syntax
 
 ``$ check_NAME [-c CRITICAL] [-w WARING] [-i CRITICAL_IO]``