diff --git a/acta-palaeontologica-polonica.csl b/acta-palaeontologica-polonica.csl
index 05ae6915a39..9d117ed369c 100644
--- a/acta-palaeontologica-polonica.csl
+++ b/acta-palaeontologica-polonica.csl
@@ -10,23 +10,25 @@
       <name>Martin R. Smith</name>
       <email>martins@gmail.com</email>
     </author>
+    <contributor>
+      <name>Benjamin C. Moon</name>
+      <email>benjamin.c.moon@bristol.ac.uk</email>
+    </contributor>
     <category citation-format="author-date"/>
     <category field="biology"/>
     <issn>0567-7920</issn>
     <eissn>1732-2421</eissn>
-    <updated>2012-09-27T22:06:38+00:00</updated>
+    <updated>2020-03-30T14:52:58+01:00</updated>
     <rights license="http://creativecommons.org/licenses/by-sa/3.0/">This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 License</rights>
   </info>
   <macro name="author">
     <names variable="author" suffix=".">
-      <name sort-separator=", " initialize-with="." and="text" name-as-sort-order="all" delimiter=", " delimiter-precedes-last="never" form="long">
-      </name>
+      <name sort-separator=", " initialize-with="." and="text" name-as-sort-order="all" delimiter=", " delimiter-precedes-last="never" form="long"></name>
     </names>
   </macro>
   <macro name="editor">
     <names variable="editor">
-      <name sort-separator=", " initialize-with="." and="text" name-as-sort-order="all" delimiter=", " delimiter-precedes-last="never">
-      </name>
+      <name sort-separator=", " initialize-with="." and="text" name-as-sort-order="all" delimiter=", " delimiter-precedes-last="never"></name>
       <label form="short" prefix=" (" suffix=".)"/>
     </names>
   </macro>
@@ -81,8 +83,10 @@
         <text macro="author-short"/>
         <text macro="year-date"/>
       </group>
-      <text variable="locator"/>
       <text variable="year-suffix" font-style="italic"/>
+      <group prefix=": ">
+        <text variable="locator"/>
+      </group>
     </layout>
   </citation>
   <bibliography entry-spacing="0" hanging-indent="true">