diff --git a/Facebook/command_line_cheat_sheet.md b/Facebook/command_line_cheat_sheet.md
index 0b5be9e..40d087c 100644
--- a/Facebook/command_line_cheat_sheet.md
+++ b/Facebook/command_line_cheat_sheet.md
@@ -30,6 +30,11 @@ ondemand devdb new              | new dev DB
 ondemand devdb list             | list dev DBs
 ondemand devdb connect --name <name of the ephemeral xdb shard> | connect to dev DB
 
+# Arc
+|
+-|-
+arc build                       | userd in configerator
+
 # MySQL
 |
 -|-