MPMD-311 Improve excludeFileFromFailure docs
diff --git a/src/site/apt/examples/violation-exclusions.apt.vm b/src/site/apt/examples/violation-exclusions.apt.vm
index 6d82f03..3d94032 100644
--- a/src/site/apt/examples/violation-exclusions.apt.vm
+++ b/src/site/apt/examples/violation-exclusions.apt.vm
@@ -63,9 +63,15 @@
+-----+
For cpd check, you can exclude classes to not verify. The properties file must have the following format:
+
+ The differences here are that:
+ [[1]] org.apache.maven.ClassA and org.apache.maven.ClassB contain duplicated code across classes.
+ [[2]] org.apache.maven.ClassC and org.apache.maven.ClassD do not share duplicate code, but have duplicated code internally.
+-----+
org.apache.maven.ClassA,org.apache.maven.ClassB
+org.apache.maven.ClassC
+org.apache.maven.ClassD
+-----+
For pmd check, you can exclude rules per classes. The properties file must have the following format:
