README.md in mireru-0.0.9 vs README.md in mireru-0.1.0

@@ -10,22 +10,28 @@
 
 ## Usage
 
 ### Launch
 
-    $ mireru [FILE...]
+    $ mireru [OPTION]... [FILE]...
 
 If no argument, then search current directory.
 
+### Options
+
+-d, --deep: deep search
+
 ### Keybind
 
 #### Common
 
 n: next
 
 p: prev
 
 r: reload
+
+e: expand path
 
 q: quit
 
 #### Scroll