Fixed a few javadocs.
diff --git a/core/api/src/main/java/org/onlab/onos/net/Annotations.java b/core/api/src/main/java/org/onlab/onos/net/Annotations.java
index cf78b98..1dc4b38 100644
--- a/core/api/src/main/java/org/onlab/onos/net/Annotations.java
+++ b/core/api/src/main/java/org/onlab/onos/net/Annotations.java
@@ -3,7 +3,7 @@
 import java.util.Set;
 
 /**
- * Represents an set of simply key/value string annotations.
+ * Represents an set of simple key/value string annotations.
  */
 public interface Annotations {