diff --git a/koha-tmpl/intranet-tmpl/npl/en/acqui.simple/addbiblio.tmpl b/koha-tmpl/intranet-tmpl/npl/en/acqui.simple/addbiblio.tmpl
index 0d74cd482f..4f83fcf93e 100644
--- a/koha-tmpl/intranet-tmpl/npl/en/acqui.simple/addbiblio.tmpl
+++ b/koha-tmpl/intranet-tmpl/npl/en/acqui.simple/addbiblio.tmpl
@@ -66,7 +66,7 @@
 				<p>Is this a duplicate of <a href="../MARCdetail.pl?bib=<!-- TMPL_VAR name="duplicatebiblionumber" -->" onclick="openWindow('../MARCdetail.pl?bib=<!-- TMPL_VAR name="duplicatebiblionumber" -->&popup=1', 'Duplicate biblio'; return false;)"><!-- TMPL_VAR name="duplicatetitle" --></a>?</p>
 				<p>You must either :</p>
 				<ul>
-					<li>If it <em>is</em> a duplicate, <a href="additem.pl?bibid=<!-- TMPL_VAR name="duplicatebibid" -->">Edit Items</a> of the existing record.</li>
+					<li>If it <em>is</em> a duplicate, <a href="additem.pl?biblionumber=<!-- TMPL_VAR name="duplicatebibid" -->">Edit Items</a> of the existing record.</li>
 					<li>If not, click to <input type="hidden" value="0" id="confirm_not_duplicate" name="confirm_not_duplicate" /> <a href="#" onclick="confirmnotdup(); return false;">Confirm it's not a duplicate</a></li>
 				</ul>
 			</div>
@@ -92,7 +92,7 @@
 					</label>
 					<!-- TMPL_VAR NAME="marc_value" -->
 					<input type="hidden" name="tag" value="<!-- TMPL_VAR NAME="tag" -->" />
-					<input type="hidden" name="subfield" value="<!-- TMPL_VAR NAME="subfield" -->" />
+					<input type="hidden" name="subfield" value="<!-- TMPL_VAR NAME="subfield" -->"  size="2" maxlength="1" />
 					<input type="hidden" name="mandatory" value="<!-- TMPL_VAR NAME="mandatory" -->" />
 					<input type="hidden" name="kohafield" value="<!-- TMPL_VAR NAME="kohafield" -->" />
 					<input type="hidden" name="tag_mandatory" value="<!-- TMPL_VAR NAME="tag_mandatory" -->" />