diff --git a/docs/config/config-actions.md b/docs/config/config-actions.md
index 3e89a2a..4b77ef5 100644
--- a/docs/config/config-actions.md
+++ b/docs/config/config-actions.md
@@ -67,6 +67,10 @@ Variables ([config variables and dynvariables](config-file.md#variables)
 and [template variables](../template/template-variables.md)) can be used
 in actions for more advanced use-cases.
 
+Actions accept arguments in the form `{<arg-num>}` which specifies which
+argument to replace in the action.
+
+For example
 ```yaml
 dotfiles:
   f_test:
@@ -88,8 +92,8 @@ actions:
   log: "echo {0} >> {1}"
 config:
   default_actions:
-  - preaction '{{@@ _dotfile_key @@}} installed' "/tmp/log"
+  - log '{{@@ _dotfile_key @@}} installed' "/tmp/log"
 ...
 ```
 
-Make sure to quote the actions using variables.
\ No newline at end of file
+Make sure to quote the actions using variables.