diff --git a/docs/manual/src/docs/asciidoc/_includes/servlet/authentication/unpwd/storage/in-memory.adoc b/docs/manual/src/docs/asciidoc/_includes/servlet/authentication/unpwd/storage/in-memory.adoc
index 74431652ed..faccb03a7e 100644
--- a/docs/manual/src/docs/asciidoc/_includes/servlet/authentication/unpwd/storage/in-memory.adoc
+++ b/docs/manual/src/docs/asciidoc/_includes/servlet/authentication/unpwd/storage/in-memory.adoc
@@ -42,7 +42,7 @@ public UserDetailsService users() {
 ----
 
 .Kotlin
-[source,kotlin,role="secondary,attrs="-attributes""]
+[source,kotlin,role="secondary",attrs="-attributes"]
 ----
 @Bean
 fun users(): UserDetailsService {