updated help contents of visualization
diff --git a/plugins/org.eclipse.app4mc.visualization.help/docu/dev_visualization.textile b/plugins/org.eclipse.app4mc.visualization.help/docu/dev_visualization.textile
index e8aaf5c..079d808 100644
--- a/plugins/org.eclipse.app4mc.visualization.help/docu/dev_visualization.textile
+++ b/plugins/org.eclipse.app4mc.visualization.help/docu/dev_visualization.textile
@@ -33,7 +33,7 @@
 ** Imported Packages
 *** *org.eclipse.app4mc.amalthea.model*<br/>(to get access to the model element that should be rendered)
 *** *org.eclipse.app4mc.visualization.ui.registry*<br/>(needed to import the necessary interface)
-*** *org.osgi.service.component.annotations*<br/>(needed to get access to the OSGi DS annotations)<br/><br/>
+*** *org.osgi.service.component.annotations*: In the properties, select Minimum Version as *1.3.0* inclusive<br/>(needed to get access to the OSGi DS annotations)<br/><br/>
 # Create a new Visualization implementation that follows this pattern:
    
 bc.. 
@@ -53,7 +53,18 @@
 
 To register the Visualization implementation the framework utilizes OSGi DS. This means:
 * The class needs to implement *Visualization* (only a marker interface needed for OSGi service injection)
+bc.. 
+It is mandatory to place this class inside a user defined package (i.e., other than default package)
+p. 
 * The class needs to be annotated with *@Component* (ensure DS annotation support is enabled in your workspace)
+bc.. 
+To enable DS annotation for the entire workspace,enable the following option in your eclipse workspace at:
+Window -> Preferences -> Plug-in Development -> DS Annotations -> "Enable descriptors from annotated sources" 
+p. 
+
+Once above steps are followed, visualization plugin contents should look like below:
+
+!(gray_scale)../pictures/visualization-plugin-content.png!
 
 The Visualization will automatically be registered in the *ModelVisualizationRegistry* with the appropriate meta-data. The meta-data is extracted from the class definition and the method annotated with *@PostConstruct*. Additionally information can be provided via component properties on the *@Component* annotation.
 
diff --git a/plugins/org.eclipse.app4mc.visualization.help/pictures/visualization-plugin-content.png b/plugins/org.eclipse.app4mc.visualization.help/pictures/visualization-plugin-content.png
new file mode 100644
index 0000000..f3fe6c3
--- /dev/null
+++ b/plugins/org.eclipse.app4mc.visualization.help/pictures/visualization-plugin-content.png
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