Fix type in sample code

Author: SebastienChauvin

docs/topics/ksp/ksp-overview.md

@@ -114,7 +114,7 @@ the following:
 ```kotlin
 class HelloFunctionFinderProcessor : SymbolProcessor() {
     // ...
-    val functions = mutableListOf<KSClassDeclaration>()
+    val functions = mutableListOf<KSFunctionDeclaration>()
     val visitor = FindFunctionsVisitor()
 
     override fun process(resolver: Resolver) {
@@ -182,4 +182,4 @@ The table includes a list of popular libraries on Android and their various stag
 | Dagger           | [Alpha](https://dagger.dev/dev-guide/ksp)                                                         |
 | Motif            | [Alpha](https://github.com/uber/motif)                                                            |
 | Hilt             | [In progress](https://dagger.dev/dev-guide/ksp)                                                   |
-| Auto Factory     | [Not yet supported](https://github.com/google/auto/issues/982)                                    |
+| Auto Factory     | [Not yet supported](https://github.com/google/auto/issues/982)                                    |