diff --git a/doc/developer-guide.md b/doc/developer-guide.md
index af0ea569..6cd80daf 100644
--- a/doc/developer-guide.md
+++ b/doc/developer-guide.md
@@ -8,16 +8,26 @@ Architecture
 ![Architecture diagram][1]
 
 
-StackEdit uses [RequireJS][2] for asynchronous module definition (AMD). 
+StackEdit uses [RequireJS][2] for asynchronous module definition ([AMD][3]). 
 
-core
-----
+### core
 
-fileMgr
--------
+The `core` module is responsible for:
 
-synchronizer
-------------
+- creating the layout (using [UI Layout][4])
+- creating the editor (using [PageDown][5])
+- Loading/saving the settings
+- detecting the offline status
+
+### fileMgr
+
+The `fileMgr` module is responsible for:
+
+- creating/deleting local files
+- switching from one file to another
+- setting/removing file's sync/publish location
+
+### synchronizer
 
 The `synchronizer` module is responsible for:
 
@@ -25,17 +35,33 @@ The `synchronizer` module is responsible for:
 - creating a new sync location from a local file (export)
 - running 2 ways synchronization (upload and download) for all sync locations
 
-publisher
----------
+### publisher
 
 The `publisher` module is responsible for:
 
 - creating new publish locations
 - updating existing publish locations
 
+#### publisher's providers
+
+A `provider` module can be associated with the `publisher` module if it implements the following functions:
+
+- `newPublishAttributes()`: returns a new [`publishAttributes`][6] object in order to create a new publish location
+- `publish()`: performs publishing of one publish location
+
 #### publishAttributes
 
-A `publishAttributes` object is an object that describes a publish location
+A `publishAttributes` object is an object that describes a publish location. Attributes list differs from one provider to another except for the following attributes:
+
+- `publishIndex`: the unique index of the publish location
+- `provider`: the `provider` module that handles the publish location
+- `format`: the publishing format for the publish location. It can be:
+	- `markdown` for Markdown format
+	- `html` for HTML format
+	- `template` for template format
+
+
+
 
 
 
@@ -56,4 +82,8 @@ A `publishAttributes` object is an object that describes a publish location
 
 
   [1]: http://benweet.github.io/stackedit/doc/img/architecture.png "Architecture diagram"
-  [2]: http://requirejs.org/
\ No newline at end of file
+  [2]: http://requirejs.org/ "RequireJS"
+  [3]: http://en.wikipedia.org/wiki/Asynchronous_module_definition "Asynchronous module definition"
+  [4]: http://layout.jquery-dev.net/ "UI Layout"
+  [5]: https://code.google.com/p/pagedown/ "PageDown"
+  [6]: #publishattributes
\ No newline at end of file