diff --git a/doc/alphabetical_index.html b/doc/alphabetical_index.html
index 616e956c..6dd5602d 100644
--- a/doc/alphabetical_index.html
+++ b/doc/alphabetical_index.html
@@ -332,7 +332,7 @@
       </div>
     </div>
     <div id='footer'>
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     Codo
   </a>
diff --git a/doc/class/AddName.html b/doc/class/AddName.html
index dc16d12a..e19b6307 100644
--- a/doc/class/AddName.html
+++ b/doc/class/AddName.html
@@ -142,7 +142,7 @@ only one will AddName operation will be executed.</p>
 </div>
     </div>
     <div id='footer'>
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     Codo
   </a>
diff --git a/doc/class/Delete.html b/doc/class/Delete.html
index 5915edc9..54d9ed21 100644
--- a/doc/class/Delete.html
+++ b/doc/class/Delete.html
@@ -157,7 +157,7 @@ This result can be sent to other clients.</p>
 </div>
     </div>
     <div id='footer'>
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     Codo
   </a>
diff --git a/doc/class/Delimiter.html b/doc/class/Delimiter.html
index e1052499..7a5c4958 100644
--- a/doc/class/Delimiter.html
+++ b/doc/class/Delimiter.html
@@ -118,7 +118,7 @@ of the Engine is empty.</p>
 </div>
     </div>
     <div id='footer'>
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     Codo
   </a>
diff --git a/doc/class/Engine.html b/doc/class/Engine.html
index 12017829..5cf8e16a 100644
--- a/doc/class/Engine.html
+++ b/doc/class/Engine.html
@@ -139,7 +139,7 @@
 </div>
     </div>
     <div id='footer'>
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   </a>
diff --git a/doc/class/HistoryBuffer.html b/doc/class/HistoryBuffer.html
index f3091a76..c5c8a153 100644
--- a/doc/class/HistoryBuffer.html
+++ b/doc/class/HistoryBuffer.html
@@ -228,7 +228,7 @@ other operations (it wont executed)</p>
 </div>
     </div>
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diff --git a/doc/class/ImmutableObject.html b/doc/class/ImmutableObject.html
index d1c18117..c3f2fcd2 100644
--- a/doc/class/ImmutableObject.html
+++ b/doc/class/ImmutableObject.html
@@ -156,7 +156,7 @@
 </div>
     </div>
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     Codo
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diff --git a/doc/class/Insert.html b/doc/class/Insert.html
index 16bced2f..1c9ed0c1 100644
--- a/doc/class/Insert.html
+++ b/doc/class/Insert.html
@@ -256,7 +256,7 @@ TODO (Unused)</p>
 </div>
     </div>
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diff --git a/doc/class/IwcConnector.html b/doc/class/IwcConnector.html
index d9685161..6fa67b00 100644
--- a/doc/class/IwcConnector.html
+++ b/doc/class/IwcConnector.html
@@ -168,7 +168,7 @@
 </div>
     </div>
     <div id='footer'>
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diff --git a/doc/class/JsonType.html b/doc/class/JsonType.html
index 4321d967..a4c0f3eb 100644
--- a/doc/class/JsonType.html
+++ b/doc/class/JsonType.html
@@ -286,7 +286,7 @@
 </div>
     </div>
     <div id='footer'>
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diff --git a/doc/class/JsonWrapper.html b/doc/class/JsonWrapper.html
index 4d3206c0..70d72cc7 100644
--- a/doc/class/JsonWrapper.html
+++ b/doc/class/JsonWrapper.html
@@ -121,7 +121,7 @@ console.log(w.newProperty == &quot;Awesome&quot;) # true!</code></pre>
 </div>
     </div>
     <div id='footer'>
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diff --git a/doc/class/JsonYatta.html b/doc/class/JsonYatta.html
index 140cfa83..a103a955 100644
--- a/doc/class/JsonYatta.html
+++ b/doc/class/JsonYatta.html
@@ -250,7 +250,7 @@ JsonYatta was initialized (Depending on the HistoryBuffer implementation).</p>
 </div>
     </div>
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diff --git a/doc/class/ListManager.html b/doc/class/ListManager.html
index e54c5df5..68fd6260 100644
--- a/doc/class/ListManager.html
+++ b/doc/class/ListManager.html
@@ -208,7 +208,7 @@ Doesn&#39;t return left-right delimiter.</p>
 </div>
     </div>
     <div id='footer'>
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   </a>
diff --git a/doc/class/MapManager.html b/doc/class/MapManager.html
index d1e31c49..13a3e12c 100644
--- a/doc/class/MapManager.html
+++ b/doc/class/MapManager.html
@@ -99,7 +99,7 @@
 </div>
     </div>
     <div id='footer'>
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diff --git a/doc/class/Operation.html b/doc/class/Operation.html
index 9bb9a7e0..8d4a2599 100644
--- a/doc/class/Operation.html
+++ b/doc/class/Operation.html
@@ -284,7 +284,7 @@ an easy way to refer to these operations via an uid or object reference.</p><p>F
 </div>
     </div>
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diff --git a/doc/class/ReplaceManager.html b/doc/class/ReplaceManager.html
index 3324dfaa..3af5dce6 100644
--- a/doc/class/ReplaceManager.html
+++ b/doc/class/ReplaceManager.html
@@ -189,7 +189,7 @@ Each Replaceable holds a value that is now replaceable.</p><p>The Word-type has
 </div>
     </div>
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diff --git a/doc/class/Replaceable.html b/doc/class/Replaceable.html
index 2b1849a5..2deed91a 100644
--- a/doc/class/Replaceable.html
+++ b/doc/class/Replaceable.html
@@ -191,7 +191,7 @@ This result can be send to other clients.</p>
 </div>
     </div>
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diff --git a/doc/class/TestConnector.html b/doc/class/TestConnector.html
index e6721c40..74823b69 100644
--- a/doc/class/TestConnector.html
+++ b/doc/class/TestConnector.html
@@ -219,7 +219,7 @@
 </div>
     </div>
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diff --git a/doc/class/TextDelete.html b/doc/class/TextDelete.html
index a02c0d86..759fb4fa 100644
--- a/doc/class/TextDelete.html
+++ b/doc/class/TextDelete.html
@@ -53,7 +53,7 @@
 </div>
     </div>
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diff --git a/doc/class/TextInsert.html b/doc/class/TextInsert.html
index a44fe46c..0b219b7a 100644
--- a/doc/class/TextInsert.html
+++ b/doc/class/TextInsert.html
@@ -173,7 +173,7 @@ This result can be send to other clients.</p>
 </div>
     </div>
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diff --git a/doc/class/TextYatta.html b/doc/class/TextYatta.html
index db8bee01..120a2b36 100644
--- a/doc/class/TextYatta.html
+++ b/doc/class/TextYatta.html
@@ -239,7 +239,7 @@
 </div>
     </div>
     <div id='footer'>
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diff --git a/doc/class/Word.html b/doc/class/Word.html
index ed442ca3..e7fb24ea 100644
--- a/doc/class/Word.html
+++ b/doc/class/Word.html
@@ -241,7 +241,7 @@ to provide replace functionality.</p>
 </div>
     </div>
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diff --git a/doc/extra/LICENSE-LGPL.html b/doc/extra/LICENSE-LGPL.html
index 37cddf0e..eb8ad4e3 100644
--- a/doc/extra/LICENSE-LGPL.html
+++ b/doc/extra/LICENSE-LGPL.html
@@ -38,7 +38,7 @@
       </div>
     </div>
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diff --git a/doc/extra/README.md.html b/doc/extra/README.md.html
index 462cffae..ad9f6310 100644
--- a/doc/extra/README.md.html
+++ b/doc/extra/README.md.html
@@ -38,7 +38,7 @@
       </div>
     </div>
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diff --git a/doc/file/lib/Connectors/IwcConnector.coffee.html b/doc/file/lib/Connectors/IwcConnector.coffee.html
index 233ee40b..5f7f925e 100644
--- a/doc/file/lib/Connectors/IwcConnector.coffee.html
+++ b/doc/file/lib/Connectors/IwcConnector.coffee.html
@@ -84,7 +84,7 @@
 </div>
     </div>
     <div id='footer'>
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diff --git a/doc/file/lib/Connectors/TestConnector.coffee.html b/doc/file/lib/Connectors/TestConnector.coffee.html
index d7cca981..1f065803 100644
--- a/doc/file/lib/Connectors/TestConnector.coffee.html
+++ b/doc/file/lib/Connectors/TestConnector.coffee.html
@@ -39,7 +39,7 @@
       </table>
     </div>
     <div id='footer'>
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     Codo
   </a>
diff --git a/doc/file/lib/Engine.coffee.html b/doc/file/lib/Engine.coffee.html
index 19b3dcbe..9bbf0e70 100644
--- a/doc/file/lib/Engine.coffee.html
+++ b/doc/file/lib/Engine.coffee.html
@@ -58,7 +58,7 @@
 </dl>
     </div>
     <div id='footer'>
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diff --git a/doc/file/lib/Frameworks/JsonYatta.coffee.html b/doc/file/lib/Frameworks/JsonYatta.coffee.html
index 1e96f253..784d09ec 100644
--- a/doc/file/lib/Frameworks/JsonYatta.coffee.html
+++ b/doc/file/lib/Frameworks/JsonYatta.coffee.html
@@ -68,7 +68,7 @@
 </dl>
     </div>
     <div id='footer'>
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diff --git a/doc/file/lib/Frameworks/TextYatta.coffee.html b/doc/file/lib/Frameworks/TextYatta.coffee.html
index cfa981e7..a7795fee 100644
--- a/doc/file/lib/Frameworks/TextYatta.coffee.html
+++ b/doc/file/lib/Frameworks/TextYatta.coffee.html
@@ -60,7 +60,7 @@
 </dl>
     </div>
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diff --git a/doc/file/lib/HistoryBuffer.coffee.html b/doc/file/lib/HistoryBuffer.coffee.html
index 77f9b81d..8b5fa6d0 100644
--- a/doc/file/lib/HistoryBuffer.coffee.html
+++ b/doc/file/lib/HistoryBuffer.coffee.html
@@ -58,7 +58,7 @@
 </dl>
     </div>
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diff --git a/doc/file/lib/Types/BasicTypes.coffee.html b/doc/file/lib/Types/BasicTypes.coffee.html
index 57f40aab..303612ae 100644
--- a/doc/file/lib/Types/BasicTypes.coffee.html
+++ b/doc/file/lib/Types/BasicTypes.coffee.html
@@ -39,7 +39,7 @@
       </table>
     </div>
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diff --git a/doc/file/lib/Types/JsonTypes.coffee.html b/doc/file/lib/Types/JsonTypes.coffee.html
index 90623165..ecd0a10c 100644
--- a/doc/file/lib/Types/JsonTypes.coffee.html
+++ b/doc/file/lib/Types/JsonTypes.coffee.html
@@ -39,7 +39,7 @@
       </table>
     </div>
     <div id='footer'>
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     Codo
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diff --git a/doc/file/lib/Types/StructuredTypes.coffee.html b/doc/file/lib/Types/StructuredTypes.coffee.html
index 4a96da61..b927308c 100644
--- a/doc/file/lib/Types/StructuredTypes.coffee.html
+++ b/doc/file/lib/Types/StructuredTypes.coffee.html
@@ -39,7 +39,7 @@
       </table>
     </div>
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diff --git a/doc/file/lib/Types/TextTypes.coffee.html b/doc/file/lib/Types/TextTypes.coffee.html
index f246e6e1..c3e8abff 100644
--- a/doc/file/lib/Types/TextTypes.coffee.html
+++ b/doc/file/lib/Types/TextTypes.coffee.html
@@ -39,7 +39,7 @@
       </table>
     </div>
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diff --git a/doc/file/lib/Types/XmlTypes.coffee.html b/doc/file/lib/Types/XmlTypes.coffee.html
index 6edf9d81..f85e1cda 100644
--- a/doc/file/lib/Types/XmlTypes.coffee.html
+++ b/doc/file/lib/Types/XmlTypes.coffee.html
@@ -39,7 +39,7 @@
       </table>
     </div>
     <div id='footer'>
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diff --git a/examples/IwcJson.js b/examples/IwcJson.js
index 0cd0f659..f7e8d2f3 100644
--- a/examples/IwcJson.js
+++ b/examples/IwcJson.js
@@ -1,7 +1,7 @@
 
 /**
  ## IWC + JSON Example
- Here, I will give a short overview on how to use the IwcJsanYatta Framework in Role-SDK widgets.
+ Here, I will give a short overview on how to use the IwcJson Framework in Role-SDK widgets.
  First you have to include the following libraries in your widget file:
  ```
 <script src="http://open-app.googlecode.com/files/openapp.js"></script>
@@ -17,7 +17,7 @@ function init(){
       /**
        yatta is the shared json object
       */
-      yatta = new window.JsonYatta(user_id, Connector);
+      yatta = new JsonYatta(user_id, Connector);
 
       /**
        Add a integer-property like this
@@ -41,7 +41,7 @@ function init(){
       console.log(yatta.val('mutable_string').val() === "eXXXxt"); // true
 
       /**
-       You can omit the is_mutable - parameter. In that case the default will be used.
+       You can omit the mutable - parameter. In that case the default will be used.
        Initially the default is 'mutable'. You can set it like this:
        */
       yatta.setMutableDefault('mutable');
@@ -111,8 +111,11 @@ function init(){
       console.log(yatta.value.newProperty.Awesome == null) // true, Awesome was replaced, therefore it is now undefined
 
       /**
+       Did you notice that you always set immutable objects if you set properties like this?
+       Even if the default is 'mutable'. If you want to work with mutable objects you have to work with .val().
+
        One last thing. You are only allowed to set properties like this `yatta.value = o`.
-       I can't observe if you overwrite object references `yatta = "Awesome"`.
+       Yatta can't observe if you overwrite object references `yatta = "Awesome"`.
       */
       w = yatta.value.newProperty
       w = "Awesome"
diff --git a/examples/IwcJson.md b/examples/IwcJson.md
index bf054826..3094f989 100644
--- a/examples/IwcJson.md
+++ b/examples/IwcJson.md
@@ -1,5 +1,5 @@
 ## IWC + JSON Example
-Here, I will give a short overview on how to use the IwcJsanYatta Framework in Role-SDK widgets.
+Here, I will give a short overview on how to use the IwcJson Framework in Role-SDK widgets.
 First you have to include the following libraries in your widget file:
 ```
 <script src="http://open-app.googlecode.com/files/openapp.js"></script>
@@ -21,7 +21,7 @@ yatta is the shared json object
 
 
 ```js
-      yatta = new window.JsonYatta(user_id, Connector);
+      yatta = new JsonYatta(user_id, Connector);
 ```
 
 
@@ -55,7 +55,7 @@ A string property can be either mutable or immutable.
 ```
 
 
-You can omit the is_mutable - parameter. In that case the default will be used.
+You can omit the mutable - parameter. In that case the default will be used.
 Initially the default is 'mutable'. You can set it like this:
 
 
@@ -151,8 +151,11 @@ Consider this case.
 ```
 
 
+Did you notice that you always set immutable objects if you set properties like this?
+Even if the default is 'mutable'. If you want to work with mutable objects you have to work with .val().
+
 One last thing. You are only allowed to set properties like this `yatta.value = o`.
-I can't observe if you overwrite object references `yatta = "Awesome"`.
+Yatta can't observe if you overwrite object references `yatta = "Awesome"`.
 
 
 ```js