diff --git a/src/main/java/net/sourceforge/schemaspy/model/Table.java b/src/main/java/net/sourceforge/schemaspy/model/Table.java
index 0d8c369..22abe04 100755
--- a/src/main/java/net/sourceforge/schemaspy/model/Table.java
+++ b/src/main/java/net/sourceforge/schemaspy/model/Table.java
@@ -129,6 +129,7 @@ public void connectForeignKeys(Map<String, Table> tables) throws SQLException {
         if (getSchema() != null || getCatalog() != null) {
             try {
                 // get the foreign keys that reference our primary keys
+            	// note that this can take an insane amount of time on Oracle (i.e. 30 secs per call)
                 rs = db.getMetaData().getExportedKeys(getCatalog(), getSchema(), getName());
 
                 while (rs.next()) {