diff --git a/js/util/CCNTime.js b/js/util/CCNTime.js
index e4c8afd..bb1222e 100644
--- a/js/util/CCNTime.js
+++ b/js/util/CCNTime.js
@@ -4,24 +4,14 @@
  * This class represents CCNTime Objects
  */
 
-var CCNTime = function CCNTime(
-                               
-		input) {
-
-
-
-
+/**
+ * @constructor
+ */
+var CCNTime = function CCNTime(input) {
 	this.NANOS_MAX = 999877929;
 	
-	/*if(typeof input =='object'){
-		this.longDate = DataUtils.byteArrayToUnsignedLong(input);
-		this.binaryDate = input;
-	}*/
-	if(typeof input =='number'){
+	if(typeof input =='number')
 		this.msec = input;
-		//this.binaryDate = DataUtils.unsignedLongToByteArray(input);
-
-	}
 	else{
 		if(LOG>1) console.log('UNRECOGNIZED TYPE FOR TIME');
 	}
diff --git a/js/util/ExponentialReExpressClosure.js b/js/util/ExponentialReExpressClosure.js
index 1057f60..3b0fd85 100644
--- a/js/util/ExponentialReExpressClosure.js
+++ b/js/util/ExponentialReExpressClosure.js
@@ -4,13 +4,14 @@
  * This is the closure class for use in expressInterest to re express with exponential falloff.
  */
 
-/*
+/**
  * Create a new ExponentialReExpressClosure where upcall responds to UPCALL_INTEREST_TIMED_OUT
  *   by expressing the interest again with double the interestLifetime. If the interesLifetime goes
  *   over maxInterestLifetime, then call callerClosure.upcall with UPCALL_INTEREST_TIMED_OUT.
  * When upcall is not UPCALL_INTEREST_TIMED_OUT, just call callerClosure.upcall.
- * 
- * settings is an associative array with the following defaults:
+ * @constructor
+ * @param {Closure} callerClosure
+ * @param {Object} settings if not null, an associative array with the following defaults:
  * {
  *   maxInterestLifetime: 16000 // milliseconds
  * }
@@ -25,6 +26,10 @@
 	this.maxInterestLifetime = (settings.maxInterestLifetime || 16000);
 };
 
+/**
+ * Wrap this.callerClosure to responds to UPCALL_INTEREST_TIMED_OUT
+ *   by expressing the interest again as described in the constructor.
+ */
 ExponentialReExpressClosure.prototype.upcall = function(kind, upcallInfo) {
     try {
         if (kind == Closure.UPCALL_INTEREST_TIMED_OUT) {