diff --git a/src/main/java/net/onrc/onos/core/packet/BPDU.java b/src/main/java/net/onrc/onos/core/packet/BPDU.java
index 583eeff..ce0d9a2 100644
--- a/src/main/java/net/onrc/onos/core/packet/BPDU.java
+++ b/src/main/java/net/onrc/onos/core/packet/BPDU.java
@@ -21,7 +21,7 @@
 
 /**
  * This class is a Rapid Spanning Tree Protocol
- * Bridge Protocol Data Unit
+ * Bridge Protocol Data Unit.
  *
  * @author alexreimers
  */