diff --git a/HowtoBash.md b/HowtoBash.md
index c7568fbd..d85344e0 100644
--- a/HowtoBash.md
+++ b/HowtoBash.md
@@ -38,6 +38,7 @@ $PPID
 $BASHPID
 $!
 $$
+$PIPESTATUS
 ~~~
 
 ### Initialiser