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@@ -27,10 +27,14 @@ QC - Quality Check
 
 ![wf3](uploads/3e13219973e4aabd25390e25c2c0e788/wf3.png)
 
-- The input of the individual nodes can be typed in and modified by "**right click**" on the node and choosing "**configure**". Alternatively, nodes can be opened by "double click" on the node. 
+- Comments and information on individual nodes are added in the KNIME description panel, which appears when clicking on the node once. 
+ 
+- The input of the individual nodes can be typed in and modified by "**right click**" on the node and choosing "**Configure**". Alternatively, nodes can be opened by "double click" on the node. 
 
 - The source code in the individual nodes, also in the processing nodes, becomes visible by "**double clicking**" on the node. If needed, the scripts can be modified by the user in Python or Java.
 
+- Most of the nodes are composed of several consecutive nodes and node branches, which open up once double clicking on the main node. 
+
 - To run a node, **right click **on the node and choose "**execute**". For the first run, we recommend the user to execute the workflow node by node, to make sure that each steps runs smoothly. Errors become visible by red light in the node, and /or by error messages in the KNIME console.