diff --git a/dspace-server-webapp/src/main/java/org/dspace/app/rest/repository/LinkRestRepository.java b/dspace-server-webapp/src/main/java/org/dspace/app/rest/repository/LinkRestRepository.java
index ce47f9da55..53cb8d1896 100644
--- a/dspace-server-webapp/src/main/java/org/dspace/app/rest/repository/LinkRestRepository.java
+++ b/dspace-server-webapp/src/main/java/org/dspace/app/rest/repository/LinkRestRepository.java
@@ -16,6 +16,13 @@ public interface LinkRestRepository {
     default boolean isEmbeddableRelation(Object data, String name) {
         return true;
     }
+
+    /**
+     * Defines whether a relation can create a link to it on the resource or not
+     * @param data  The data for the link
+     * @param name  The name of the link
+     * @return      A boolean indicating whether it's allowed or not
+     */
     default boolean isLinkableRelation(Object data, String name) {
         return true;
     }
diff --git a/dspace-server-webapp/src/main/java/org/dspace/app/rest/utils/Utils.java b/dspace-server-webapp/src/main/java/org/dspace/app/rest/utils/Utils.java
index 6af8df9908..fe3a02fd0d 100644
--- a/dspace-server-webapp/src/main/java/org/dspace/app/rest/utils/Utils.java
+++ b/dspace-server-webapp/src/main/java/org/dspace/app/rest/utils/Utils.java
@@ -537,11 +537,23 @@ public class Utils {
         });
     }
 
+    /**
+     * Calls on the LinkRepository to ask whether it's allowed to embed said relation
+     * @param resource  The current HalResource
+     * @param rel       The relation to be asked if it can be embedded
+     * @return          A boolean indicating the result
+     */
     private boolean allowEmbeddingFromLinkRepository(HALResource<? extends RestAddressableModel> resource, String rel) {
         return getLinkResourceRepository(resource.getContent().getCategory(),
                               resource.getContent().getType(), rel).isEmbeddableRelation(resource.getContent(), rel);
     }
 
+    /**
+     * Calls on the LinkRepository to ask whether it's allowed to link to said relation
+     * @param resource  The current HalResource
+     * @param rel       The relation to be asked if it can be linked to
+     * @return          A boolean indicating the result
+     */
     private boolean allowLinkingFromLinkRepository(HALResource<? extends RestAddressableModel> resource, String rel) {
 
         return getLinkResourceRepository(resource.getContent().getCategory(),