Update README.md

How has this not been done yet???

README.md

@@ -3,14 +3,14 @@ SPDX-FileCopyrightText: © 2026 FireFly
 SPDX-License-Identifier: 0BSD
 -->
 
-# tinyrwm.lua
+# Planar
 
-Tiny river window manager implemented in Lua.
+River Window Manager based on tinyrwm implemented in Lua.
 
 ## Dependencies
 
 System dependencies:
-- lua (5.4 tested)
+- lua 5.4
 - luarocks
 - libwayland
 - libxkbcommon
@@ -30,8 +30,8 @@ luarocks --local make
 
 Make sure libxkbcommon.so and libwayland-client.so are present in
 `LD_LIBRARY_PATH` (and `river` and `foot` in your `PATH`).  You should be able
-to run river with the installed Lua tinyrwm with
+to run river with the installed Lua planar with
 
 ```sh
-river -c ~/.luarocks/bin/tinyrwm
+river -c ~/.luarocks/bin/planar
 ```