Update README.md

Author: lzxb

README.md

@@ -76,7 +76,7 @@ export default defineComponent({
 
 If the component defines `props`, writing the `class` in the `setup` will cause the `setup` function to create a `class` every time as it executes, which will add costs. So we should avoid writing `class` in `setup` and use `Define` basic class to receive `props` and `emit`.
 
-### Context VS Define
+### Context and Define
 
 `Context` automatic injection `$vm`, `Define` extend from `Context`, and `Define` will automatically inject `$props` and `$emit`, when encapsulating public classes, you may not want to inject props and emit