diff --git a/doc/cmp-rg.txt b/doc/cmp-rg.txt
index afbf129..267d216 100644
--- a/doc/cmp-rg.txt
+++ b/doc/cmp-rg.txt
@@ -32,7 +32,14 @@ additional_arguments                             *cmp-rg-additional_arguments*
     Example: >
 
         { name = 'rg', option = { additional_arguments = "--ignore-case" } }
-
+<
+    Search in hidden files (starting with a `.`): >
+        { name = 'rg', option = { additional_arguments = "--hidden" } }
+<
+
+    Reduce the level of recursion into directories: >
+        { name = 'rg', option = { additional_arguments = "--max-depth 4" } }
+<
 
 ------------------------------------------------------------------------------
 cwd                                                               *cmp-rg-cwd*