Index: trunk/doc/design/07_devmap.html
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--- trunk/doc/design/07_devmap.html	(revision 310)
+++ trunk/doc/design/07_devmap.html	(revision 311)
@@ -96,8 +96,9 @@
 <h2> 7.2. Port mapping </h2>
 
 <p>{des7:12}
-Port mapping takes a map between the symbolic description  and emits the
-physical description (port numbers for a footprint or sim model). There
+Port mapping takes a map between the symbolic description and the
+physical description (port numbers for a footprint or sim model) and changes
+port attributes accordingly. There
 shall be one such mapping per abstract component. If multiple symbols
 contribute a mapping, the <a href="04_attrib.html#des4:9"> attribute
 priority mechanism</a> will keep only one of the arrays.