null value

Author: aepanchi

docs/topics/strings.md

@@ -21,8 +21,6 @@ val name: String = "Kotlin"
 val message = "Hello, world!" // Kotlin infers String
 ```
 
-### Nullable values
-
 To declare a nullable value, use `String?`:
 ```kotlin
 val maybeAbsent: String? = null
@@ -488,4 +486,4 @@ fun main() {
   > Learn more about format specifiers in the
   > [Java Class Formatter documentation](https://docs.oracle.com/javase/8/docs/api/java/util/Formatter.html#summary).
   >
-  {style="note"}
+  {style="note"}