diff --git a/README.md b/README.md
index 58be937..328f832 100644
--- a/README.md
+++ b/README.md
@@ -26,6 +26,7 @@ Just start Minecraft. **Does not download assets.**
 - **console:** Whether to show console output (1/0)
 - **gamePath:** Where the game is located
 - **osName:** Override your OS in case it isn't detected (windows/linux/macos)
+- **osVersion:** Override your OS version in case it isn't detected
 - **jvmArch:** Override the architecture of your JVM in case it isn't detected (amd64/x86). If your JVM is neither amd64/x86, pick `amd64` if it's 64-bit and `x86` if it's 32-bit, for the best results
 - **jvmArguments:** The arguments to use to launch your JVM, json formatted - You may need to escape ", if you're changing this value from the console
 - **java:** The path to the java executable. Try not to append a file ending, as `w` will be added, if `console` is `0`