diff --git a/reference/html/index.html b/reference/html/index.html
index 6bf2d147..3036a0db 100644
--- a/reference/html/index.html
+++ b/reference/html/index.html
@@ -1353,7 +1353,7 @@ To make use of it, you need to have <code>com.github.ben-manes.caffeine:caffeine
 The default setup includes <code>expireAfterWrite</code> set to 30 seconds and records set to soft references.</p>
 </div>
 <div class="paragraph">
-<p>You can set your own <code>TTL</code> value (the time after write after which entries should be expired), expressed as <code>Duration</code>, by passing a <code>String</code> compliant with the <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/time/Duration.html#parse(java.lang.CharSequence)"><code>Duration</code> API</a>
+<p>You can set your own <code>TTL</code> value (the time after write after which entries should be expired), expressed as <code>Duration</code>, by passing a <code>String</code> compliant with the <a href="https://docs.spring.io/spring-boot/docs/current/reference/html/spring-boot-features.html#boot-features-external-config-conversion-duration">Spring Boot <code>String</code> to <code>Duration</code> converter syntax</a>.
 as the value of <code>spring.cloud.loadbalancer.cache.ttl</code> property.</p>
 </div>
 <div class="paragraph">
diff --git a/reference/html/spring-cloud-commons.html b/reference/html/spring-cloud-commons.html
index 6bf2d147..3036a0db 100644
--- a/reference/html/spring-cloud-commons.html
+++ b/reference/html/spring-cloud-commons.html
@@ -1353,7 +1353,7 @@ To make use of it, you need to have <code>com.github.ben-manes.caffeine:caffeine
 The default setup includes <code>expireAfterWrite</code> set to 30 seconds and records set to soft references.</p>
 </div>
 <div class="paragraph">
-<p>You can set your own <code>TTL</code> value (the time after write after which entries should be expired), expressed as <code>Duration</code>, by passing a <code>String</code> compliant with the <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/time/Duration.html#parse(java.lang.CharSequence)"><code>Duration</code> API</a>
+<p>You can set your own <code>TTL</code> value (the time after write after which entries should be expired), expressed as <code>Duration</code>, by passing a <code>String</code> compliant with the <a href="https://docs.spring.io/spring-boot/docs/current/reference/html/spring-boot-features.html#boot-features-external-config-conversion-duration">Spring Boot <code>String</code> to <code>Duration</code> converter syntax</a>.
 as the value of <code>spring.cloud.loadbalancer.cache.ttl</code> property.</p>
 </div>
 <div class="paragraph">