Ambiguity fix: "Description" is now "Details of your contribution" for books.

This prevents confusion over whether the description field for book
artefacts is for the book description, or for the description of your
role in relation to the book.
Signed-off-by: Nigel McNie <nigel@catalyst.net.nz>

htdocs/artefact/resume/lang/en.utf8/artefact.resume.php

@@ -55,7 +55,6 @@ $string['enddate'] = 'End date';
 $string['date'] = 'Date';
 $string['position'] = 'Position';
 $string['qualification'] = 'Qualification';
-$string['description'] = 'Description';
 $string['title'] = 'Title';
 $string['employer'] = 'Employer';
 $string['jobtitle'] = 'Job Title';
@@ -65,6 +64,7 @@ $string['qualtype'] = 'Qualification Type';
 $string['qualname'] = 'Qualification Name';
 $string['qualdescription'] = 'Qualification Description';
 $string['contribution'] = 'Contribution';
+$string['detailsofyourcontribution'] = 'Details of your contribution';
 $string['compositedeleteconfirm'] = 'Are you sure you want to delete this?';
 $string['compositesaved'] = 'Saved successfully';
 $string['compositesavefailed'] = 'Save failed';

htdocs/artefact/resume/lib.php

@@ -808,7 +808,7 @@ class ArtefactTypeBook extends ArtefactTypeResumeComposite {
                 'rows' => 10,
                 'cols' => 50,
                 'resizable' => false,
-                'title' => get_string('description', 'artefact.resume'),
+                'title' => get_string('detailsofyourcontribution', 'artefact.resume'),
             ),
         );
     }