docs: update kavaref-extension

Author: fankes

docs-source/src/en/library/kavaref-extension.md

@@ -44,12 +44,11 @@ Please change `<version>` to the version displayed at the top of this document.
 
 You can view the KDoc [click here](kdoc://kavaref-extension).
 
-### Class Extensions
+### Class Extension
 
-KavaRef provides some extensions that are more convenient when dealing with `Class` objects.
+KavaRef provides convenient extensions when dealing with `Class` objects.
 
-KavaRef also adds `KClass` extensions to the `Class` extensions,
-which is used to call `KClass.java`, making it more concise than using `Some::class.java` directly.
+KavaRef also brings these extensions to `KClass`, allowing you to call `KClass.java` more concisely than using `Some::class.java` directly.
 
 #### Create Class Object
 
@@ -101,7 +100,7 @@ You can also use the `hasSuperclass` and `hasInterfaces` methods to determine wh
 ::: danger
 
 The `Class` passed in by the `classOf` method will perform unboxing of Java wrapper classes by default,
-whether you pass in something like `kotlin.Boolean` or `java.lang.Boolean` (see [Java Wrapper Classes Extensions](#java-wrapper-classes-extensions) below),
+whether you pass in something like `kotlin.Boolean` or `java.lang.Boolean` (see [Java Wrapper Classes Extension](#java-wrapper-classes-extension) below),
 If you need to avoid the incoming `Class` being unboxed into primitive types, you need to explicitly set the `primitiveType = false` parameter.
 
 :::
@@ -189,7 +188,7 @@ myClassOrNull?.resolve()
 otherClassOrNull?.resolve()
 ```
 
-#### ClassLoader Extensions
+#### ClassLoader Extension
 
 KavaRef also provides some practical extension methods for `ClassLoader`.
 
@@ -204,7 +203,7 @@ val myClassOrNull = classLoader.loadClassOrNull("com.example.MyClass")
 val isClassExists = classLoader.hasClass("com.example.MyClass")
 ```
 
-### Array Class Extensions
+### Array Class Extension
 
 In Java, the `Class` object of an array is a special `Class` object, and usually we create it as follows.
 
@@ -226,7 +225,7 @@ Now, the `Class` object that creates `java.lang.String[]` can be written like th
 val arrayClass = ArrayClass(String::class)
 ```
 
-### Member Extensions
+### Member Extension
 
 KavaRef provides some extension methods to simplify operations on `Member`.
 
@@ -245,7 +244,7 @@ method.makeAccessible()
 
 Similarly, KavaRef also extends `Modifier`, and you can directly use `Member.isPublic` and other methods to judge a `Member` modifier.
 
-### Type Extensions
+### Type Extension
 
 When manipulating types or generic types in Java, you usually need to use the `Type` interface and its subinterface to handle it.
 
@@ -287,7 +286,7 @@ val myClass: Class<*>
 val arguments = myClass.genericSuperclassTypeArguments()
 ```
 
-### Type Reference Extensions
+### Type Reference Extension
 
 In Java, method generics are erased after compilation, and the type obtained at runtime is `java.lang.Object`.
 
@@ -319,7 +318,7 @@ inline fun <reified T : Any> T.toJson(): String = gson.toJson(this, typeRef<T>()
 val json = listOf("KavaRef", "is", "awesome").toJson()
 ```
 
-### Java Wrapper Classes Extensions
+### Java Wrapper Classes Extension
 
 In Kotlin, you can directly use `Boolean::class`, `Byte::class`, etc. to obtain Java's original types `boolean` and `byte` instead of their wrapper classes.