diff --git a/alfresco-transformer-base/src/main/java/org/alfresco/transformer/TransformController.java b/alfresco-transformer-base/src/main/java/org/alfresco/transformer/TransformController.java
index 0eb4b7c6..b744ba4e 100644
--- a/alfresco-transformer-base/src/main/java/org/alfresco/transformer/TransformController.java
+++ b/alfresco-transformer-base/src/main/java/org/alfresco/transformer/TransformController.java
@@ -26,6 +26,12 @@ import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.ResponseBody;
 
+/**
+ * TransformController interface.
+ * <br/>
+ * It contains much of the common boilerplate code that each of
+ * its concrete implementations need as default methods.
+ */
 public interface TransformController
 {
     Log logger = LogFactory.getLog(TransformController.class);
diff --git a/alfresco-transformer-base/src/main/java/org/alfresco/transformer/TransformInterceptor.java b/alfresco-transformer-base/src/main/java/org/alfresco/transformer/TransformInterceptor.java
index be98a00a..8b80446f 100644
--- a/alfresco-transformer-base/src/main/java/org/alfresco/transformer/TransformInterceptor.java
+++ b/alfresco-transformer-base/src/main/java/org/alfresco/transformer/TransformInterceptor.java
@@ -35,7 +35,11 @@ import javax.servlet.http.HttpServletResponse;
 import org.alfresco.transformer.logging.LogEntry;
 import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;
 
-
+/**
+ * TransformInterceptor
+ * <br/>
+ * Handles ThreadLocal Log entries for each request.
+ */
 public class TransformInterceptor extends HandlerInterceptorAdapter
 {
     @Override