diff --git a/pmd/src/net/sourceforge/pmd/lang/java/rule/design/GenericClassCounterRule.java b/pmd/src/net/sourceforge/pmd/lang/java/rule/design/GenericClassCounterRule.java
index 2bfe8a8c36..97ce7a0c06 100644
--- a/pmd/src/net/sourceforge/pmd/lang/java/rule/design/GenericClassCounterRule.java
+++ b/pmd/src/net/sourceforge/pmd/lang/java/rule/design/GenericClassCounterRule.java
@@ -60,6 +60,7 @@ public class GenericClassCounterRule extends AbstractJavaRule {
 	private static final PropertyDescriptor TYPE_MATCH_DESCRIPTOR = new StringProperty("typeMatch",
 			"A series of regex, separated by ',' to match on implements/extends classname",new String[]{""},3.0f,',');
 
+	// TODO - this should be an IntegerProperty instead?
 	private static final PropertyDescriptor THRESHOLD_DESCRIPTOR = new StringProperty("threshold",
 			"Defines how many occurences are legal",new String(),4.0f);