diff --git a/command.rec b/command.rec
index 0ab9f01..20bbe85 100644
--- a/command.rec
+++ b/command.rec
@@ -608,3 +608,12 @@ tag: network
 tag: share
 cmd: qrencode -t ansi "$(ip route show | grep -Pom1 'src \K[\d.]+')"
 + sudo python -m http.server 80
+
+aim: Change a CSV header
+cmd: from=number
++ to=quantity
++ sed -i "1 s///" "".csv
+bin: sed
+tag: csv
+tag: substitute
+tag: replace