Fix HTML in javadoc
diff --git a/jena-core/src/main/java/org/apache/jena/graph/GraphUtil.java b/jena-core/src/main/java/org/apache/jena/graph/GraphUtil.java
index c297b0a..1b185e7 100644
--- a/jena-core/src/main/java/org/apache/jena/graph/GraphUtil.java
+++ b/jena-core/src/main/java/org/apache/jena/graph/GraphUtil.java
@@ -303,7 +303,7 @@
* <p>
* For large {@code srcGraph} and small {@code dstGraph}, use {@link #deleteLoopDst}.
*
- * See discussion on <a href=""https://github.com/apache/jena/pull/212">jena/pull/212</a>,
+ * See discussion on <a href="https://github.com/apache/jena/pull/212">jena/pull/212</a>,
* (archived at <a href="https://issues.apache.org/jira/browse/JENA-1284">JENA-1284</a>).
*/
public static void deleteFrom(Graph dstGraph, Graph srcGraph) {
