diff --git a/src/docs/asciidoc/core/core-null-safety.adoc b/src/docs/asciidoc/core/core-null-safety.adoc
index 07044b6850..ffed936d84 100644
--- a/src/docs/asciidoc/core/core-null-safety.adoc
+++ b/src/docs/asciidoc/core/core-null-safety.adoc
@@ -1,4 +1,4 @@
-[-[null-safety]]
+[[null-safety]]
 = Null-safety
 
 Although Java does not let you express null-safety with its type system, the Spring Framework