diff --git a/tree/30_generic_methods/file_ensure_keys_values.cf b/tree/30_generic_methods/file_ensure_keys_values.cf
index 1fa2dbd7d..3bf3d1380 100644
--- a/tree/30_generic_methods/file_ensure_keys_values.cf
+++ b/tree/30_generic_methods/file_ensure_keys_values.cf
@@ -20,9 +20,11 @@
 # @description Ensure that the file contains all pairs of "key separator value", with arbitrary separator between each key and its value
 #
 # @parameter file File name to edit
-# @parameter keys Array containing the keys (keys of the array), and values to define (values of the array)
+# @parameter keys Dict structure containing the keys (keys of the dict), and values to define (values of the dict)
 # @parameter separator Separator between key and value (for example "=" or " ")
 #
+# @documentation You can create a dict variable by using the variable_dict* methods.
+#
 # @class_prefix file_ensure_keys_values
 # @class_parameter file