Index: trunk/doc/design/02_data.html
===================================================================
--- trunk/doc/design/02_data.html	(revision 4723)
+++ trunk/doc/design/02_data.html	(revision 4724)
@@ -351,7 +351,7 @@
 <tr><th> attribute <th> value          <th> description
 <tr><td> uuid      <td> unique ID      <td> cschem-generated UID (not persistent)
 <tr><td> connect   <td> PORT:NET list  <td> non-graphical connection; PORT is an existing port's <i>name</i> within the component; NET is the <i>name</i> of a network
-<tr><td> source    <td> list of refs   <td> reference list to the concrete objects that contributed to this component; each item is an UID or an UID:key pair
+<tr><td> source    <td> list of refs   <td> reference list to the concrete objects that contributed to this component; when saved: each item is an UID or an UID:key pair
 </table>
 
 <p><table border=1 cellspacing=0>
@@ -403,7 +403,7 @@
 <tr><td> netname   <td> unique name    <td> cschem-specified project-unique network name
 <tr><td> name      <td> unique name    <td> user-specified sheet-unique network name
 <tr><td> chan      <td> bus-unique name<td> when a connection is made, this name is used to look up and bind channel(s)
-<tr><td> source    <td> list of refs   <td> reference list to the concrete objects that contributed to this component; each item is an UID or an UID:key pair
+<tr><td> source    <td> list of refs   <td> reference list to the concrete objects that contributed to this component; when saved: each item is an UID or an UID:key pair
 </table>
 
 
@@ -457,7 +457,7 @@
 <tr><th> attribute <th> value          <th> description
 <tr><td> uuid      <td> unique ID      <td> cschem-generated UID
 <tr><td> name      <td> unique name    <td> user-specified unique bus-net name
-<tr><td> source    <td> list of refs   <td> reference list to the concrete objects that contributed to this component; each item is an UID or an UID:key pair
+<tr><td> source    <td> list of refs   <td> reference list to the concrete objects that contributed to this component; when saved: each item is an UID or an UID:key pair
 </table>
 
 <h3> 2.5.4. hubs </h3>
@@ -497,7 +497,7 @@
 <tr><th> attribute <th> value          <th> description
 <tr><td> uuid      <td> unique ID      <td> cschem-generated UID
 <tr><td> name      <td> unique name    <td> user-specified unique hub name (similar to a component's name)
-<tr><td> source    <td> list of refs   <td> reference list to the concrete objects that contributed to this component; each item is an UID or an UID:key pair
+<tr><td> source    <td> list of refs   <td> reference list to the concrete objects that contributed to this component; when saved: each item is an UID or an UID:key pair
 <tr><td> chan_rewrite<td> rewrite list <td> see at <a href="#des2:78">chan rewrite</a>
 </table>