fix fences
diff --git a/content/java/developing/guide.md b/content/java/developing/guide.md
index 65f0776..55cee68 100644
--- a/content/java/developing/guide.md
+++ b/content/java/developing/guide.md
@@ -1112,7 +1112,7 @@
 Since unfiling is supported, the document should still be accessible by its ID, 
 and the code checks for this.
 
-java
+```java
         if (!(cap.isUnfilingSupported())) {
             System.out.println("Unfiling not supported by this repository");
         } else {