diff --git a/README.md b/README.md
index 8e07e3e..06b6721 100644
--- a/README.md
+++ b/README.md
@@ -1,11 +1,11 @@
#
NJUOS
-> Motiation: revisit njuos lab with wsl2 and organise related materials
+> Motivation: revisit njuos lab with wsl2 and organise related materials
-Prerequiste
+Prerequisite
install wsl2 and install ubuntu18.04
@@ -82,7 +82,7 @@ reference:
1. https://superuser.com/questions/1580610/how-to-run-gui-apps-with-windows-subsystem-for-linux
2. https://stackoverflow.com/questions/71408331/no-available-video-device-error-with-sdl2
-After all the Prerequiste you can test it:
+After all the prerequisite you can test it:
```
cd lab1
make clean