diff --git a/help/plotLayout b/help/plotLayout
index 88b700b..db7fa6f 100644
--- a/help/plotLayout
+++ b/help/plotLayout
@@ -1,4 +1,21 @@
 <h2><img src="js/resources/images/16x16/plot.png" style="margin: 0px 10px 0px 0px;"/>Plot Objects : Layout</h2>
-<img align="left" src="help/images/plotLayout.png" style="margin: 10px 10px 0px 0px;"/>
+Layout defines  position of the panels on the page. On click the <b><i>Layout</b></i> element :
+<img class="centered" src="help/images/plotLayout.png" style="margin: 10px 10px 10px 10px;"/>
+<h3>Implemented Layouts</h3>
+		
+			 <i>Vertical</i> ( default ): vertical stack of panels;<br/>
+				all time panels are of the same width;<br/>
+				one XY panel in the line;<br/>
+				generic panel height (for Time and XY panel)<br/>
+				and width (for XY panel) can be defined at this level<br/><br/>
+			
+			 <i>Auto</i> : automatic layout - if possible combines<br/>
+				several XY panels at the same level;
+				only panel height can be defined (XY panel is 'square')<br/><br/>
+				
+			 <i>Manual</i> : everything is to be defined by user
+
+	<hr>           
+Two generic panel types : 'Time/Epoch' and 'XY (Scatter/Instant)';  
 <br/>
        
\ No newline at end of file
--
libgit2 0.21.2