Add method doc comments
diff --git a/components/org.apache.stratos.autoscaler/src/main/java/org/apache/stratos/autoscaler/pojo/policy/PolicyManager.java b/components/org.apache.stratos.autoscaler/src/main/java/org/apache/stratos/autoscaler/pojo/policy/PolicyManager.java
index 78063ee..6916b85 100644
--- a/components/org.apache.stratos.autoscaler/src/main/java/org/apache/stratos/autoscaler/pojo/policy/PolicyManager.java
+++ b/components/org.apache.stratos.autoscaler/src/main/java/org/apache/stratos/autoscaler/pojo/policy/PolicyManager.java
@@ -255,7 +255,7 @@
 
 	/**
 	 * Get deployment policy by application id
-	 * @param appId Application ID
+	 * @param appId application ID
 	 * @return
 	 */
     public DeploymentPolicy getDeploymentPolicyByApplication(String appId) {
@@ -267,7 +267,8 @@
         return null;
     }
 
-	/**y id by application id
+	/**
+	 * Get deployment policy id by application id
 	 * @param appId Application ID
 	 * @return
 	 */