diff --git a/Drone/config/spec/configspec_client.ini b/Drone/config/spec/configspec_client.ini
index 1695d84..d1de342 100644
--- a/Drone/config/spec/configspec_client.ini
+++ b/Drone/config/spec/configspec_client.ini
@@ -16,5 +16,8 @@ host = string(default=ntp1.stratum2.ru)
 port = integer(default=123)
 
 [PRIVATE]
-# avialiable options: /hostname ; /default ; /ip ; any string 63 characters lengh
+# avialiable options: /hostname ; /spec_default ; /ip ; any string 63 characters lengh
 id = string(default=/hostname, max=63)
+# Drone's individual offset
+# __list__ X Y Z
+offset = float_list(default=list(0, 0, 0), min=3, max=3)