Index: 07_devmap.html
===================================================================
--- 07_devmap.html	(revision 725)
+++ 07_devmap.html	(revision 726)
@@ -118,17 +118,18 @@
 
 <p>{des7:15}
 If a slot/terminal pair referenced in the map is not found in the concrete
-symbol, an error message is
-emitted. This happens when the schematics symbol uses a terminal that
-has no physical pin with the given device.
+symbol, no error message is emitted.
+A typical example when this happens is when a logic circuit
+has 4 identical slots but the schematics uses only 3.
+If this is considered an error, a DRC plugin shall check for it.
 
 <p>{des7:16}
 If an existing port of the abstract component is not listed in the mapping,
-that is the mapping doesn't reference the port in any way, no error
-is generated. A typical example when this happens is when a logic circuit
-has 4 identical slots but the schematics uses only 3. If this is considered
-an error, a DRC plugin shall check for it.
+that is the mapping doesn't reference the port in any way, a warning
+is generated. (This happens e.g. on the PCB flow when the schematics
+symbol uses a terminal that has no physical pin with the given device.).
 
+
 <p><table border=1 cellspacing=0>
 <tr><th colspan=3 bgcolor="#aaaaaa"> {des7:18} port mapping related symbol attributes
 <tr><th> attribute              <th> value                <th> description