diff --git a/src/app/+search-page/search-service/search-configuration.service.ts b/src/app/+search-page/search-service/search-configuration.service.ts
index 5520b2c5aa..e55363f1f5 100644
--- a/src/app/+search-page/search-service/search-configuration.service.ts
+++ b/src/app/+search-page/search-service/search-configuration.service.ts
@@ -276,7 +276,7 @@ export class SearchConfigurationService implements OnDestroy {
   }
 
   /**
-   * Make sure to unsubscribe from all existing subscription to prevent memory leaksNormalizedRelationship
+   * Make sure to unsubscribe from all existing subscription to prevent memory leaks
    */
   ngOnDestroy(): void {
     this.subs.forEach((sub) => {
diff --git a/src/app/core/cache/builders/build-decorators.ts b/src/app/core/cache/builders/build-decorators.ts
index f6651f2607..070f63be86 100644
--- a/src/app/core/cache/builders/build-decorators.ts
+++ b/src/app/core/cache/builders/build-decorators.ts
@@ -10,6 +10,11 @@ const relationshipKey = Symbol('relationship');
 const relationshipMap = new Map();
 const typeMap = new Map();
 
+/**
+ * Decorator function to map a normalized class to it's not-normalized counter part class
+ * It will also maps a type to the matching class
+ * @param value The not-normalized class to map to
+ */
 export function mapsTo(value: GenericConstructor<TypedObject>) {
   return function decorator(objectConstructor: GenericConstructor<TypedObject>) {
     Reflect.defineMetadata(mapsToMetadataKey, value, objectConstructor);
@@ -17,6 +22,12 @@ export function mapsTo(value: GenericConstructor<TypedObject>) {
   }
 }
 
+
+/**
+ * Maps a type to the matching class
+ * @param value The resourse type
+ * @param objectConstructor The class to map to
+ */
 function mapsToType(value: ResourceType, objectConstructor: GenericConstructor<TypedObject>) {
   if (!objectConstructor || !value) {
     return;
@@ -24,10 +35,18 @@ function mapsToType(value: ResourceType, objectConstructor: GenericConstructor<T
   typeMap.set(value.value, objectConstructor);
 }
 
+/**
+ * Returns the mapped class for the given normalized class
+ * @param target The normalized class
+ */
 export function getMapsTo(target: any) {
   return Reflect.getOwnMetadata(mapsToMetadataKey, target);
 }
 
+/**
+ * Returns the mapped class for the given type
+ * @param type The resource type
+ */
 export function getMapsToType(type: string | ResourceType) {
   if (typeof(type) === 'object') {
     type = (type as ResourceType).value;
diff --git a/src/app/core/config/models/config-submission-definition.model.ts b/src/app/core/config/models/config-submission-definition.model.ts
index f1799ebb63..0449e6a964 100644
--- a/src/app/core/config/models/config-submission-definition.model.ts
+++ b/src/app/core/config/models/config-submission-definition.model.ts
@@ -3,6 +3,9 @@ import { SubmissionSectionModel } from './config-submission-section.model';
 import { PaginatedList } from '../../data/paginated-list';
 import { ResourceType } from '../../shared/resource-type';
 
+/**
+ * Class for the configuration describing the submission
+ */
 export class SubmissionDefinitionModel extends ConfigObject {
   static type = new ResourceType('submissiondefinition');
 
diff --git a/src/app/core/shared/resource-type.ts b/src/app/core/shared/resource-type.ts
index 61542a4b26..657837fbec 100644
--- a/src/app/core/shared/resource-type.ts
+++ b/src/app/core/shared/resource-type.ts
@@ -1,3 +1,6 @@
+/**
+ * Class that represents the type of an object as returned by the REST server
+ */
 export class ResourceType {
   constructor(public value: string) {
   }