diff --git a/Promise.js b/Promise.js
index 81dad1e..773c232 100644
--- a/Promise.js
+++ b/Promise.js
@@ -12,6 +12,11 @@ var object = require('ig-object')
 
 
 /*********************************************************************/
+// Iterable promise...
+// 
+// Like Promise.all(..) but adds ability to iterate through results
+// via generators .map(..)/.reduce(..) and friends...
+// 
 
 var IterablePromise =
 module.IterablePromise =
@@ -203,6 +208,10 @@ object.Constructor('IterablePromise', Promise, {
 
 
 //---------------------------------------------------------------------
+// Interactive promise...
+// 
+// Adds ability to send messages to the running promise.
+// 
 
 var InteractivePromise =
 module.InteractivePromise =
@@ -249,6 +258,11 @@ object.Constructor('InteractivePromise', Promise, {
 
 
 //---------------------------------------------------------------------
+// Cooperative promise...
+// 
+// A promise that can be resolved/rejected externally.
+// NOTE: normally this has no internal resolver logic...
+// 
 
 var CooperativePromise =
 module.CooperativePromise =
diff --git a/package-lock.json b/package-lock.json
index 7989c6a..2b2e7ce 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "ig-types",
-  "version": "5.0.0",
+  "version": "5.0.3",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {