diff --git a/docs/friends.rst b/docs/friends.rst
index e8f5fbf..66b650c 100644
--- a/docs/friends.rst
+++ b/docs/friends.rst
@@ -72,7 +72,9 @@ Callbacks Reference
 
 .. function:: friends.onGameOverlayActivated(data)
 
-    :param table data: A table with a single
+    :param table data: A table similar to `GameOverlayActivated_t <https://partner.steamgames.com/doc/api/ISteamFriends#GameOverlayActivated_t>`_
+
+		* **data.active** (`boolean`)  -- true if it's just been activated, otherwise false.
     :returns: nothing
     :SteamWorks: `GameOverlayActivated_t <https://partner.steamgames.com/doc/api/ISteamFriends#GameOverlayActivated_t>`_
 
diff --git a/docs/getting_started.rst b/docs/getting_started.rst
index 87521ad..b888705 100644
--- a/docs/getting_started.rst
+++ b/docs/getting_started.rst
@@ -75,7 +75,7 @@ becomes
 Callbacks
 ---------
 
-Callbacks work a little different, for example, the ``GameOverlayActivated_t`` callback in ``ISteamUserFriends`` can be used creating a function named ``onGameOverlayActivated`` inside ``userStats``.
+Callbacks work a little different, for example, the ``GameOverlayActivated_t`` callback in ``ISteamUserFriends`` can be used creating a function named ``onGameOverlayActivated`` inside ``friends``.
 
 Original code:
 
@@ -87,7 +87,7 @@ Original code:
 
     void Listener::OnGameOverlayActivated(GameOverlayActivated_t* data) {
         if (data->m_bActive)
-            printf("Steam overlay now active\n" );
+            printf("Steam overlay now active\n");
         else
             printf("Steam overlay now inactive\n");
     }
@@ -96,7 +96,7 @@ Code using luasteam:
 
 .. code-block:: Lua
 
-    function Steam.userStats.onGameOverlayActivated(data)
+    function Steam.friends.onGameOverlayActivated(data)
         if data.active then
             print("Steam overlay now active")
         else
@@ -171,4 +171,4 @@ They can only be compared for equality or converted to strings (using the `tostr
     print("Your id is " .. str)
     local id = Steam.extra.parseUint64(str)
     -- equality works, even though they are different userdata instances
-    assert(id == original)
\ No newline at end of file
+    assert(id == original)
diff --git a/docs/user_stats.rst b/docs/user_stats.rst
index 17a5915..eba1003 100644
--- a/docs/user_stats.rst
+++ b/docs/user_stats.rst
@@ -19,6 +19,11 @@ List of Functions
 * :func:`userStats.uploadLeaderboardScore`
 * :func:`userStats.downloadLeaderboardEntries`
 
+List of Callbacks
+-----------------
+
+* :func:`userStats.onUserStatsReceived`
+
 Function Reference
 ------------------
 
@@ -130,14 +135,14 @@ Function Reference
 
     The equivalent function for other users is :func:`userStats.requestUserStats` **(missing)**.
 
-    Triggers a :func:`userStats.userStatsReceived` callback.
+    Triggers a :func:`userStats.onUserStatsReceived` callback.
 
 **Example**::
 
     -- before any achievement/stats stuff
     Steam.userStats.requestCurrentStats()
 
-    function Steam.userStats.userStatsReceived()
+    function Steam.userStats.onUserStatsReceived()
         can_do_stats_stuff = true
     end
 
@@ -328,7 +333,7 @@ Function Reference
 
         * **data[i].details** (`string`) -- Details of the entry. String is used as a byte array, so may contain a ``'\0'`` in the middle.
 
-        * **data[i].UGC** (`uint64`) -- 	Handle for the UGC attached to the entry. A special value if there is none.
+        * **data[i].UGC** (`uint64`) -- Handle for the UGC attached to the entry. A special value if there is none.
 
     * **err** (`boolean`): **true** if there was any IO error with the request.
 
@@ -368,3 +373,33 @@ Function Reference
             end
         end
     end
+
+Callbacks Reference
+-------------------
+
+.. warning::
+
+    Remember callbacks are functions that you should override in order to receive the events, and not call directly.
+
+    Also, you **must** constantly call ``Steam.runCallbacks()`` (preferably in your game loop) in order for your callbacks to be called.
+
+
+.. function:: userStats.onUserStatsReceived(data)
+
+    :param table data: A table similar to `UserStatsReceived_t <https://partner.steamgames.com/doc/api/ISteamUserStats#UserStatsReceived_t>`_
+
+        * **data.gameID** (`uint64`) -- Game ID that these stats are for.
+
+        * **data.result** (`int`) -- Returns whether the call was successful or not. If the user has no stats, this will be set to 2.
+
+        * **data.steamIDUser** (`uint64`) -- The user whose stats were retrieved.
+    :returns: nothing
+    :SteamWorks: `UserStatsReceived_t <https://partner.steamgames.com/doc/api/ISteamUserStats#UserStatsReceived_t>`_
+
+    Called when the latest stats and achievements for a specific user (including the local user) have been received from the server.
+
+**Example**::
+
+    function Steam.userStats.onUserStatsReceived(data)
+        print('Result: ' .. data.result)
+    end