Change version filenames in readme

Author: atxi

README.md

@@ -11,16 +11,16 @@ It uses the original assets from a user-provided Minecraft jar. Only basic block
 ### Running
 Only runs on Windows currently.  
 
-- Requires `1.19.3.jar` from your Minecraft installation to be in the working directory. You can find this in `%appdata%/.minecraft/versions/1.19.3/`. This is used to load the textures and block models.
-- Requires `blocks-1.19.3.json` that is generated from running Minecraft with a [certain flag](https://wiki.vg/Data_Generators#Generators) or from the [polymer release page](https://github.com/atxi/Polymer/releases).
+- Requires `1.19.4.jar` from your Minecraft installation to be in the working directory. You can find this in `%appdata%/.minecraft/versions/1.19.4/`. This is used to load the textures and block models.
+- Requires `blocks-1.19.4.json` that is generated from running Minecraft with a [certain flag](https://wiki.vg/Data_Generators#Generators) or from the [polymer release page](https://github.com/atxi/Polymer/releases).
 - Requires compiled shaders. Get them from the release page or read the shader section below if manually building.
 
 Running the exe will connect to localhost with the username 'polymer'. The server must be configured to be in offline mode.  
 
 You can specify the username and server ip by command line.  
 `polymer.exe -u username -s 127.0.0.1:25565`
 
-Currently only a spectator camera is implemented for flying around and rendering the world. By default, you will be in the survival gamemode on the server. If you want chunks to load as you move, you need to put yourself in spectator gamemode. You can do this in the server terminal or with another client connected.
+Currently only a spectator camera is implemented for flying around and rendering the world. By default, you will be in the survival gamemode on the server. If you want chunks to load as you move, you need to put yourself in spectator gamemode. You can do this in the server terminal or in game with the command `/gamemode spectator`.
 
 ### Building
 Currently only compiles on Windows, but other platforms are planned.