diff --git a/CTng/gossip/accusation_validation.go b/CTng/gossip/accusation_validation.go
index 107113a..d36acd9 100644
--- a/CTng/gossip/accusation_validation.go
+++ b/CTng/gossip/accusation_validation.go
@@ -9,10 +9,11 @@ type Accusation_POM struct {
 	Signature_TH crypto.ThresholdSig
 }
 
+//Written By Jie
 //verification for PoM due to enough number of accusations happens during the PoM generation
 //we are not sending the entire PoM generated by enough number of accusations as gossip object
 //therefore, we will verify the combined parital signature at the local level
-
+//This function will be invoked in the Process_accusation function in accusations.go when the number of accusations accumulated after receiving a new one exceeds the threshold
 func generate_accusation_pom_from_accused_entity(Ea EntityAccusations, c *crypto.CryptoConfig) *Accusation_POM {
 	pom_sig, _ := c.ThresholdAggregate(Ea.Partial_sigs)
 	new_Pom02 := new(Accusation_POM)
@@ -21,6 +22,8 @@ func generate_accusation_pom_from_accused_entity(Ea EntityAccusations, c *crypto
 	return new_Pom02
 }
 
+//Written by Jie
+//This function is invoked in Process_accusation function in accusations.go after invoking generate_accusation_pom_from_accused_entity to check the validity of the new generated PoM
 func verify_accusation_pom(candidatepom Accusation_POM, c *crypto.CryptoConfig) error {
 	//generate the msg and verify the signature
 	return c.ThresholdVerify(candidatepom.Entity_URL, candidatepom.Signature_TH)
diff --git a/CTng/gossip/accusations.go b/CTng/gossip/accusations.go
index 5a7e22f..4062fa1 100644
--- a/CTng/gossip/accusations.go
+++ b/CTng/gossip/accusations.go
@@ -6,10 +6,11 @@ import (
 	"fmt"
 )
 
-/*This file mainly deals with Proof of Misbehavior generated after receiving threshold number of accusations (as part of the process accusations).
-This file also contains the process accusations function for the gossiper to invoke.
-*/
-
+//Written by Jie, reviewed and edited by Finn
+//This function is invoked when the gossiper receives an accusation
+//It will store all the non-duplicate accusations
+//it will deal with PoM generation due to threshold number of accusations by invoking generate_accusation_pom_from_accused_entity from accusation_validation.go
+//if a PoM due to threshold number of accusations is generated, the PoM will be returned as a gossip_object to be sent to the monitor
 func Process_Accusation(new_acc Gossip_object, accs *AccusationDB, c *crypto.CryptoConfig) (*Gossip_object, bool, error) {
 	// Convert signature string
 	p_sig, err := crypto.SigFragmentFromString(new_acc.Signature[0])
diff --git a/CTng/monitor/monitor.go b/CTng/monitor/monitor.go
index f5c1660..c7b3bde 100644
--- a/CTng/monitor/monitor.go
+++ b/CTng/monitor/monitor.go
@@ -86,8 +86,10 @@ func QueryAuthorities(c *MonitorContext) {
 
 }
 
+//Written by Jie
+//This function accuses the entity if the damain name is provided
+//It is called when the gossip object received is not valid, or the monitor didn't get response when querying the logger or the CA
 //Accused = Domain name of the accused entity (logger etc.)
-//should be a monitor functionality
 func AccuseEntity(c *MonitorContext, Accused string) {
 	// this should be a method for the monitor
 	// verify we havent accused during this MMD
@@ -119,6 +121,8 @@ func AccuseEntity(c *MonitorContext, Accused string) {
 	Send_to_gossiper(c, accusation)
 }
 
+//Written by Jie
+//Send the input gossip object to its gossiper
 func Send_to_gossiper(c *MonitorContext, g gossip.Gossip_object) {
 	// Convert gossip object to JSON
 	msg, err := json.Marshal(g)
diff --git a/CTng/monitor/monitor_process.go b/CTng/monitor/monitor_process.go
index 51afe81..be9534e 100644
--- a/CTng/monitor/monitor_process.go
+++ b/CTng/monitor/monitor_process.go
@@ -7,7 +7,9 @@ import (
 	"time"
 )
 
-//Need to discuss about this ******************************************************
+//Written by Jie, reviewed by Finn
+//This function is called by handle_gossip in monitor_server.go under the server folder
+//It will be called if the gossip object is validated
 func Process_valid_object(c *MonitorContext, g gossip.Gossip_object) {
 	//if the valid object is from the logger in the monitor config logger URL list
 	//This handles the STHS
diff --git a/CTng/server/Monitor_server.go b/CTng/server/Monitor_server.go
index 729b102..51e4203 100644
--- a/CTng/server/Monitor_server.go
+++ b/CTng/server/Monitor_server.go
@@ -133,6 +133,10 @@ func getPOM(c *monitor.MonitorContext, w http.ResponseWriter, r *http.Request) {
 	// if POM found, send to requester
 }
 
+//Written by Jie
+//This function handles gossip object received by the monitor
+//Note: This function does not handle inactive loggers/CAs
+//see monitor folder for handling inactive loggers/CAs
 func handle_gossip(c *monitor.MonitorContext, w http.ResponseWriter, r *http.Request) {
 	// Parse sent object.
 	// Converts JSON passed in the body of a POST to a Gossip_object.
diff --git a/CTng/util/IO.go b/CTng/util/IO.go
index 327d177..17db6ad 100644
--- a/CTng/util/IO.go
+++ b/CTng/util/IO.go
@@ -7,6 +7,7 @@ import (
 	"strings"
 )
 
+//Written By Jie
 //This read function reads from a Json file as a byte array and returns it.
 //This function will be called for all the reading from json functions