Fix broken links in reference docs.

Closes #2801

Author: mp911de

Diff for: src/main/asciidoc/glossary.adoc

@@ -18,4 +18,4 @@ Hibernate :: Object relational mapper implementing JPA - link:$$https://hibernat
 
 JPA :: Jakarta Persistence API
 
-Spring :: Java application framework - link:$$https://spring.io/projects/spring-framework$$[https://spring.io/projects/spring-framework]
+Spring :: Java application framework - link:$$https://spring.io/projects/spring-framework/$$[https://spring.io/projects/spring-framework]

Diff for: src/main/asciidoc/jpa.adoc

@@ -1383,7 +1383,7 @@ A plain JPA setup requires all annotation-mapped entity classes to be listed in
 ----
 ====
 
-NOTE: As of Spring 3.1, a package to scan can be configured on the `LocalContainerEntityManagerFactoryBean` directly to enable classpath scanning for entity classes. See the link:$$https://docs.spring.io/spring/docs/current/javadoc-api/org/springframework/orm/jpa/LocalContainerEntityManagerFactoryBean.html#setPackagesToScan(java.lang.String...)$$[JavaDoc] for details.
+NOTE: As of Spring 3.1, a package to scan can be configured on the `LocalContainerEntityManagerFactoryBean` directly to enable classpath scanning for entity classes. See the link:{springJavadocUrl}org/springframework/orm/jpa/LocalContainerEntityManagerFactoryBean.html#setPackagesToScan(java.lang.String...)$$[JavaDoc] for details.
 
 [[jpd.misc.cdi-integration]]
 == CDI Integration